Kotlyar, A. PPO-equivalence of functions on the bunch of \(n\) circles. (Ukrainian. English summary) Zbl 1224.58007 Visn., Mat. Mekh., Kyïv. Univ. Im. Tarasa Shevchenka 2010, No. 23, 35-37 (2010). MSC: 58C05 PDFBibTeX XMLCite \textit{A. Kotlyar}, Visn., Mat. Mekh., Kyïv. Univ. Im. Tarasa Shevchenka 2010, No. 23, 35--37 (2010; Zbl 1224.58007)
Kotlyar, B. D. Asymptotic characteristics of compact sets and the Stepanets classes. (English. Russian original) Zbl 0984.42001 Ukr. Math. J. 53, No. 2, 229-237 (2001); translation from Ukr. Mat. Zh. 53, No. 2, 203-210 (2001). MSC: 42A10 41A60 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Ukr. Mat. Zh. 53, No. 2, 203--210 (2001; Zbl 0984.42001); translation from Ukr. Mat. Zh. 53, No. 2, 203--210 (2001) Full Text: DOI
Kotlyar, B. D.; Olevskaya, Yu. B. Singular numbers of Fredholm integral operators, and \(p\)-\(k\)-variation. (Russian. English summary) Zbl 1015.47032 Mat. Fiz. Anal. Geom. 7, No. 3, 321-330 (2000). MSC: 47G10 47B06 PDFBibTeX XMLCite \textit{B. D. Kotlyar} and \textit{Yu. B. Olevskaya}, Mat. Fiz. Anal. Geom. 7, No. 3, 321--330 (2000; Zbl 1015.47032)
Kotlyar, B. D.; Al’-Davud, K. Random circles and spheres on a set. (Russian. English summary) Zbl 1024.60500 Dopov. Nats. Akad. Nauk Ukr., Mat. Pryr. Tekh. Nauky 1999, No. 9, 15-16 (1999). MSC: 60D05 PDFBibTeX XMLCite \textit{B. D. Kotlyar} and \textit{K. Al'-Davud}, Dopov. Nats. Akad. Nauk Ukr., Mat. Pryr. Tekh. Nauky 1999, No. 9, 15--16 (1999; Zbl 1024.60500)
Kotlyar, A. B. Structure of \(m\)-dimensional implicitly defined surfaces in \(n\)-dimensional Euclidean space \(E_n\). (English) Zbl 0976.53500 Turk. J. Math. 23, No. 3, 401-406 (1999). MSC: 53A07 PDFBibTeX XMLCite \textit{A. B. Kotlyar}, Turk. J. Math. 23, No. 3, 401--406 (1999; Zbl 0976.53500)
Kotlyar, B. D.; Al-Dawud, K. On random circles in a square and on a circle. (English. Ukrainian original) Zbl 0959.60004 Theory Probab. Math. Stat. 59, 109-112 (1999); translation from Teor. Jmorvirn. Mat. Stat. 59, 106-109 (1998). Reviewer: A.V.Swishchuk (Kyïv) MSC: 60D05 60E10 60C05 PDFBibTeX XMLCite \textit{B. D. Kotlyar} and \textit{K. Al-Dawud}, Teor. Ĭmovirn. Mat. Stat. 59, 106--109 (1998; Zbl 0959.60004); translation from Teor. Jmorvirn. Mat. Stat. 59, 106--109 (1998)
Kotlyar, B. D. Necessary condition for a chromatic polynomial. (English. Russian original) Zbl 0936.05040 Cybern. Syst. Anal. 34, No. 5, 779-780 (1998); translation from Kibern. Sist. Anal. 1998, No. 5, 176-178 (1998). Reviewer: I.Tomescu (Bucureşti) MSC: 05C15 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Cybern. Syst. Anal. 34, No. 5, 779--780 (1998; Zbl 0936.05040); translation from Kibern. Sist. Anal. 1998, No. 5, 176--178 (1998) Full Text: DOI
Kotlyar, V. Yu.; Moroz, G. B. Bounds of reliability function with a known quantile. (English. Russian original) Zbl 0916.62067 Cybern. Syst. Anal. 34, No. 2, 292-297 (1998); translation from Kibern. Sist. Anal. 1998, No. 2, 162-167 (1998). MSC: 62N05 60E15 PDFBibTeX XMLCite \textit{V. Yu. Kotlyar} and \textit{G. B. Moroz}, Cybern. Syst. Anal. 34, No. 2, 292--297 (1998; Zbl 0916.62067); translation from Kibern. Sist. Anal. 1998, No. 2, 162--167 (1998) Full Text: DOI
Kotlyar, B. D. On inscribed and described solids. (Russian. English summary) Zbl 0907.51008 Mat. Fiz. Anal. Geom. 4, No. 1-2, 104-111 (1997). MSC: 51M20 51M16 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Mat. Fiz. Anal. Geom. 4, No. 1--2, 104--111 (1997; Zbl 0907.51008)
Kotlyar, B. D. Equipartition of polygons on the elliptic plane and two-sphere. (English. Russian original) Zbl 0853.51013 Russ. Acad. Sci., Sb., Math. 82, No. 1, 217-221 (1995); translation from Mat. Sb. 185, No. 6, 101-104 (1994). Reviewer: W.Nolte (Darmstadt) MSC: 51M10 51M20 51F25 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Russ. Acad. Sci., Sb., Math. 82, No. 1, 1 (1994; Zbl 0853.51013); translation from Mat. Sb. 185, No. 6, 101--104 (1994) Full Text: DOI
Kotlyar, A. B. On the upper bound of exterior curvatures for some classes of multidimensional surfaces in \(n\)-dimensional Lobachevsky space. (English. Russian original) Zbl 0849.53010 Russ. Math. 37, No. 8, 7-16 (1993); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1993, No. 8 (375), 9-19 (1993). Reviewer: A.A.Borisenko (Khar’kov) MSC: 53A35 PDFBibTeX XMLCite \textit{A. B. Kotlyar}, Russ. Math. 37, No. 8, 7--16 (1993; Zbl 0849.53010); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1993, No. 8 (375), 9--19 (1993)
Kotlyar, A. B. On an upper bound of the Gaussian curvature for one class of nonregular surfaces. (English. Russian original) Zbl 0839.53002 Russ. Math. 37, No. 7, 27-33 (1993); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1993, No. 7 (374), 29-34 (1993). Reviewer: C.Udrişte (Bucureşti) MSC: 53A05 PDFBibTeX XMLCite \textit{A. B. Kotlyar}, Russ. Math. 37, No. 7, 27--33 (1993; Zbl 0839.53002); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1993, No. 7 (374), 29--34 (1993)
Kotlyar, B. D. On the packing density of a fuzzy set. (English. Russian original) Zbl 0834.28010 Cybern. Syst. Anal. 29, No. 5, 648-655 (1993); translation from Kibern. Sist. Anal. 1993, No. 5, 25-33 (1993). Reviewer: B.Riečan (Bratislava) MSC: 28E10 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Cybern. Syst. Anal. 29, No. 5, 25--33 (1993; Zbl 0834.28010); translation from Kibern. Sist. Anal. 1993, No. 5, 25--33 (1993)
Kotlyar, B. D. A problem in packing theory. (Russian) Zbl 0927.05023 Dorogovtsev, A. Ya. (ed.), Mathematics today. 1993. No. 8. Kyïv: Vyshcha Shkola, 133-136 (1993). Reviewer: N.A.Denis’evskij (Kyïv) MSC: 05B40 52C17 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, in: Matematyka s'ogodni. 1993. Vyp. 8. Kyïv: Vyshcha Shkola. 133--136 (1993; Zbl 0927.05023)
Kotlyar, A. B. Some theorems on unbounded multidimensional surfaces of negative exterior curvature in spaces of constant curvature. (Russian) Zbl 0763.53010 Mathematical analysis and its applications, Rostov-na-Donu, 99-106 (1992). Reviewer: A.I.Khejfits (Rostov-na-Donu) MSC: 53A07 PDFBibTeX XMLCite \textit{A. B. Kotlyar}, in: Matematicheskij analiz i ego prilozheniya. Rostov-na-Donu: Izdatel'stvo Rostovskogo Universiteta. 99--106 (1992; Zbl 0763.53010)
Kotlyar, B. D. On the convergence speed with Banach-Saks property. (English. Russian original) Zbl 0816.46008 Sov. Math. 35, No. 12, 12-14 (1991); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1991, No. 12(355), 13-15 (1991). Reviewer: J.M.F.Castillo (Badasoz) MSC: 46B20 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Sov. Math. 35, No. 12, 12--14 (1991; Zbl 0816.46008); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1991, No. 12(355), 13--15 (1991)
Kotlyar, B. D. On a geometric inequality. (English. Russian original) Zbl 0705.52013 J. Sov. Math. 51, No. 5, 2534-2536 (1990); translation from Ukr. Geom. Sb. 30, 49-52 (1987). MSC: 52A40 51M20 51M16 52A10 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, J. Sov. Math. 51, No. 5, 2534--2536 (1990; Zbl 0705.52013); translation from Ukr. Geom. Sb. 30, 49--52 (1987) Full Text: DOI
Kotlyar, B. D. Fourier coefficients and densities of subsets of the series of natural numbers. (English) Zbl 0709.42512 Proc. Steklov Inst. Math. 180, 163-164 (1989). MSC: 42A55 42A16 42A20 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Proc. Steklov Inst. Math. 180, 163--164 (1989; Zbl 0709.42512)
Kotlyar, V. Yu.; Moroz, G. B. Analysis of a system of ” reserve parts ” by an analytic-statistical method. (English. Russian original) Zbl 0800.60037 Ermol’ev, Yu. M. (ed.), Mathematical methods for the analysis of complex stochastic systems. Collection of scientific works. Kiev: Institut Kibernetiki Im. V. M. Glushkova AN USSR, 44-51, VI (1988). MSC: 60K20 PDFBibTeX XMLCite \textit{V. Yu. Kotlyar} and \textit{G. B. Moroz}, in: Matematicheskie metody analiza slozhnykh stokhasticheskikh sistem. Sbornik nauchnykh trudov. Kiev: Institut Kibernetiki Im. V. M. Glushkova AN USSR. 44--51, VI (1988; Zbl 0800.60037)
Kotlyar, B. D. On a geometric inequality. (Russian) Zbl 0633.52009 Ukr. Geom. Sb. 30, 49-52 (1987). Reviewer: S.S.Kutateladze MSC: 52A40 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Ukr. Geom. Sb. 30, 49--52 (1987; Zbl 0633.52009)
Kotlyar, B. D. Densities of packings of bounded sets. (Russian. English summary) Zbl 0631.05017 Soobshch. Akad. Nauk Gruz. SSR 126, 469-472 (1987). MSC: 05B40 51M05 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Soobshch. Akad. Nauk Gruz. SSR 126, 469--472 (1987; Zbl 0631.05017)
Kotlyar, A. B. On singularities of surfaces of multi-dimensional spaces of constant curvature. (Russian) Zbl 0582.53039 Izv. Sev.-Kavk. Nauchn. Tsentra Vyssh. Shk., Estestv. Nauki 1985, No. 1(49), 20-22 (1985). Reviewer: V.Marenich MSC: 53C40 53A35 53B25 PDFBibTeX XMLCite \textit{A. B. Kotlyar}, Izv. Sev.-Kavk. Nauchn. Tsentra Vyssh. Shk., Estestv. Nauki 1985, No. 1(49), 20--22 (1985; Zbl 0582.53039)
Kotlyar, B. D. The method of potential functions for pattern recognition and integral operators. (Russian. English summary) Zbl 0569.68071 Dokl. Akad. Nauk Ukr. SSR, Ser. A 1985, No. 3, 63-65 (1985). MSC: 68T10 68T05 47A53 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Dokl. Akad. Nauk Ukr. SSR, Ser. A 1985, No. 3, 63--65 (1985; Zbl 0569.68071)
Kotlyar, B. D. A class of densities of sets of natural numbers. (English) Zbl 0553.10037 Ukr. Math. J. 36, 143-148 (1984). MSC: 11N37 11K65 11B83 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Ukr. Math. J. 36, 143--148 (1984; Zbl 0553.10037) Full Text: DOI
Kotlyar, B. D. On a class of densities of sets of natural numbers. (Russian) Zbl 0541.10035 Ukr. Mat. Zh. 36, No. 2, 160-165 (1984). Reviewer: Adolf Hildebrand (Urbana) MSC: 11K65 11B05 42A16 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Ukr. Mat. Zh. 36, No. 2, 160--165 (1984; Zbl 0541.10035) Full Text: DOI
Kotlyar, B. D. On packings of parallelotopes and of some other sets. (Russian) Zbl 0535.10034 Sib. Mat. Zh. 25, No. 2(144), 222-225 (1984). Reviewer: T.Vepkhvadze MSC: 11H31 52C17 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Sib. Mat. Zh. 25, No. 2(144), 222--225 (1984; Zbl 0535.10034) Full Text: EuDML
Kotlyar, B. D. On the distribution of fractional parts. (English) Zbl 0542.10031 Sov. Math. 27, No. 11, 105-108 (1983). MSC: 11J71 11L40 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Sov. Math. 27, No. 11, 105--108 (1983; Zbl 0542.10031)
Kotlyar, B. D. On the distribution of fractional parts. (Russian) Zbl 0533.10032 Izv. Vyssh. Uchebn. Zaved., Mat. 1983, No. 11(258), 84-86 (1983). Reviewer: Y.Wang MSC: 11J71 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Izv. Vyssh. Uchebn. Zaved., Mat. 1983, No. 11(258), 84--86 (1983; Zbl 0533.10032)
Kotlyar, B. D. On the number of lattice points in a random set. (English) Zbl 0513.60021 Theory Probab. Math. Stat. 26, 97-101 (1983). MSC: 60D05 11H31 60F05 11P21 60E99 68T10 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Theory Probab. Math. Stat. 26, 97--101 (1983; Zbl 0513.60021)
Kotlyar, B. D. The Banach-Saks property and rate of convergence. (English) Zbl 0518.40003 Russ. Math. Surv. 37, No. 5, 178-179 (1982). MSC: 40J05 40A05 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Russ. Math. Surv. 37, No. 5, 178--179 (1982; Zbl 0518.40003) Full Text: DOI
Kotlyar, B. D.; Semirenko, T. N. Spectra of operators increasing smoothness. (English) Zbl 0508.47052 Ukr. Math. J. 33, 576-580 (1982). MSC: 47Gxx 46E35 47B10 45C05 45P05 PDFBibTeX XMLCite \textit{B. D. Kotlyar} and \textit{T. N. Semirenko}, Ukr. Math. J. 33, 576--580 (1982; Zbl 0508.47052) Full Text: DOI
Kotlyar, B. D. The Banach-Saks property and the rate of convergence. (Russian) Zbl 0504.40011 Usp. Mat. Nauk 37, No. 5(227), 187-188 (1982). MSC: 40J05 40A05 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Usp. Mat. Nauk 37, No. 5(227), 187--188 (1982; Zbl 0504.40011)
Kotlyar, B. D. A method of calculating the number of integral points. (English) Zbl 0488.10034 Ukr. Math. J. 33, 520-522 (1982). MSC: 11J71 11H06 11P21 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Ukr. Math. J. 33, 520--522 (1982; Zbl 0488.10034) Full Text: DOI
Kotlyar, B. D. On the number of integer points in a random set. (Russian) Zbl 0487.60013 Teor. Veroyatn. Mat. Stat. 26, 85-90 (1982). MSC: 60D05 60F05 PDFBibTeX XML
Kotlyar, B. D. Fourier coefficients and densities of sets of natural numbers. (Russian) Zbl 0505.42004 Teor. Funkts. Funkts. Anal. Prilozh. 35, 54-61 (1981). MSC: 42A16 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Teor. Funkts. Funkts. Anal. Prilozh. 35, 54--61 (1981; Zbl 0505.42004)
Kotlyar, B. D.; Semirenko, T. N. On the spectrum of operators raising smoothness. (Russian) Zbl 0486.47027 Ukr. Mat. Zh. 33, 765-770 (1981). MSC: 47Gxx 47B10 45C05 45P05 46E35 PDFBibTeX XMLCite \textit{B. D. Kotlyar} and \textit{T. N. Semirenko}, Ukr. Mat. Zh. 33, 765--770 (1981; Zbl 0486.47027)
Kotlyar, B. D. On a method for the enumeration of the number of integral points. (Russian) Zbl 0479.10024 Ukr. Mat. Zh. 33, 678-681 (1981). MSC: 11J71 11H06 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Ukr. Mat. Zh. 33, 678--681 (1981; Zbl 0479.10024)
Kotlyar, B. D. On the Fourier coefficients of smooth functions of several variables. (Russian) Zbl 0506.42017 Studies in the theory of functions of several real variables, interuniv. thematic Work Collect., No. 3, Yaroslavl 1980, 118-122 (1980). MSC: 42B05 42A16 PDFBibTeX XML
Kozubenko, T. N.; Kotlyar, B. D. The singular numbers of operators increasing smoothness in the anisotropic case. (English) Zbl 0464.47027 Russ. Math. Surv. 35, No. 4, 171-172 (1980). MSC: 47Gxx 47B38 45B05 46E35 PDFBibTeX XMLCite \textit{T. N. Kozubenko} and \textit{B. D. Kotlyar}, Russ. Math. Surv. 35, No. 4, 171--172 (1980; Zbl 0464.47027) Full Text: DOI
Kozubenko, T. N.; Kotlyar, B. D. Über singuläre Werte von Operatoren, die die Glattheit erhöhen, im anisotropen Falle. (Russian) Zbl 0449.47043 Usp. Mat. Nauk 35, No. 4(214), 191-192 (1980). MSC: 47Gxx 47B38 46E35 45B05 PDFBibTeX XMLCite \textit{T. N. Kozubenko} and \textit{B. D. Kotlyar}, Usp. Mat. Nauk 35, No. 4(214), 191--192 (1980; Zbl 0449.47043)
Kotlyar, B. D. On the relation between the length and projection of a random vector. (Russian) Zbl 0492.60016 Behavior of systems in random media, Work Collect., Kiev 1979, 48-52 (1979). MSC: 60D05 PDFBibTeX XML
Kotlyar, B. D. Singular values of integral operators. (English) Zbl 0423.47017 Differ. Equations 14, 1048-1051 (1978). MSC: 47Gxx 45B05 47B10 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Differ. Equations 14, 1048--1051 (1978; Zbl 0423.47017)
Kotlyar, B. D. Über singuläre Zahlen von Integraloperatoren. (Russian) Zbl 0407.47028 Differ. Uravn. 14, 1473-1477 (1978). MSC: 47Gxx 45B05 47B10 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Differ. Uravn. 14, 1473--1477 (1978; Zbl 0407.47028)
Kotlyar, B. D. Packings of rectangular parallelotopes. (Russian) Zbl 0393.51011 Kibernetika, Kiev 1978, No. 2, 133-135 (1978). MSC: 51M20 52C17 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Kibernetika 1978, No. 2, 133--135 (1978; Zbl 0393.51011)
Kotlyar, B. D. Integer points in a measurable set. (Russian) Zbl 0443.52003 Studies in the theory of functions of several real variables, interuniv. thematic Work Collect., No. 1, Yaroslavl 1976, 51-54 (1976). MSC: 52A20 52C07 52Bxx 11H06 PDFBibTeX XML
Kotlyar, B. D.; Nosenko, V. I. On the statistics of extremal values for a stationary random sequence. (Russian) Zbl 0415.62067 Probabilistic-statistical methods for investigations of complex systems, Work Collect., Kiev 1976, 45-47 (1976). MSC: 62M10 62M99 60G10 62M09 PDFBibTeX XML
Kotlyar, B. D. On the singular numbers of integral operators. (English. Russian original) Zbl 0351.47036 Sov. Math., Dokl. 17(1976), 1095-1098 (1977); translation from Dokl. Akad. Nauk SSSR 229, 794-796 (1976). MSC: 47Gxx 47B10 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Sov. Math., Dokl. 17, 1095--1098 (1976; Zbl 0351.47036); translation from Dokl. Akad. Nauk SSSR 229, 794--796 (1976)
Stefanyuk, V. L.; Kotlyar, S. B. On one simplified interaction model in a collective of automata. (Russian) Zbl 0415.68026 Probl. Control Inf. Theory 1, 297-305 (1972). MSC: 68Q45 93A99 92F05 68T05 PDFBibTeX XMLCite \textit{V. L. Stefanyuk} and \textit{S. B. Kotlyar}, Probl. Control Inf. Theory 1, 297--305 (1972; Zbl 0415.68026)
Kotlyar, B. D. On weak convergence in Orlicz spaces. (English) Zbl 0229.46030 Ukr. Math. J. 23 (1971), 206-209 (1972). MSC: 46E30 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Ukr. Math. J. 23, 206--209 (1972; Zbl 0229.46030) Full Text: DOI
Blyumin, S. L.; Kotlyar, B. D. On the S. N. Bernstein inequality. (English. Russian original) Zbl 0251.60006 Theor. Probab. Appl. 16, 182-184 (1971); translation from Teor. Veroyatn. Primen. 16, 181-183 (1971). MSC: 60E05 PDFBibTeX XMLCite \textit{S. L. Blyumin} and \textit{B. D. Kotlyar}, Theory Probab. Appl. 16, 182--184 (1971; Zbl 0251.60006); translation from Teor. Veroyatn. Primen. 16, 181--183 (1971) Full Text: DOI
Blyumin, S. L.; Kotlyar, B. D. Hilbert-Schmidt operators and the absolute convergence of Fourier series. (English) Zbl 0216.16702 Math. USSR, Izv. 4(1970), 215-223 (1971). MSC: 47G10 47A75 47B38 42A20 PDFBibTeX XMLCite \textit{S. L. Blyumin} and \textit{B. D. Kotlyar}, Math. USSR, Izv. 4, 215--223 (1971; Zbl 0216.16702) Full Text: DOI
Brudnyj, Yu. A.; Kotlyar, B. D. A problem in combinatorial geometry. (English) Zbl 0214.49301 Sib. Math. J. 11(1970), 870-871 (1971). MSC: 52C07 51M20 PDFBibTeX XMLCite \textit{Yu. A. Brudnyj} and \textit{B. D. Kotlyar}, Sib. Math. J. 11, 870--871 (1971; Zbl 0214.49301) Full Text: DOI
Kotlyar, B. D. Über die schwache Kovergenz in Orliczräumen. (Russian) Zbl 0211.15103 Ukr. Mat. Zh. 23, 240-244 (1971). MSC: 46E30 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Ukr. Mat. Zh. 23, 240--244 (1971; Zbl 0211.15103)
Blyumin, S. L.; Kotlyar, B. D. The s-numbers of integral operators and the Fourier coefficients of summable functions. (Russian) Zbl 0224.47027 Teor. Funkts., Funkts. Anal. Prilozh. 12, 3-12 (1970). MSC: 47G10 47A70 45P05 42A16 PDFBibTeX XMLCite \textit{S. L. Blyumin} and \textit{B. D. Kotlyar}, Teor. Funkts. Funkts. Anal. Prilozh. 12, 3--12 (1970; Zbl 0224.47027)
Brudnyj, Yu. A.; Kotlyar, B. D. Eine Aufgabe der kombinatorischen Geometrie. (Russian) Zbl 0208.50503 Sib. Mat. Zh. 11, 1171-1173 (1970). MSC: 52C07 51M20 PDFBibTeX XMLCite \textit{Yu. A. Brudnyj} and \textit{B. D. Kotlyar}, Sib. Mat. Zh. 11, 1171--1173 (1970; Zbl 0208.50503)
Blyumin, S. L.; Kotlyar, B. D. Hilbert-Schmidtsche Operatoren und die absolute Konvergenz von Fourierreihen. (Russian) Zbl 0205.14402 Izv. Akad. Nauk SSSR, Ser. Mat. 34, 209-217 (1970). MSC: 47G10 47A75 47B38 PDFBibTeX XMLCite \textit{S. L. Blyumin} and \textit{B. D. Kotlyar}, Izv. Akad. Nauk SSSR, Ser. Mat. 34, 209--217 (1970; Zbl 0205.14402)
Kotlyar, B. D. Walshsche Reihen und der Satz von Men’sov über die ’Verbesserung’ von Funktionen. (Russian) Zbl 0168.31201 Izv. Akad. Nauk SSSR, Ser. Mat. 30, 1193-1200 (1966). PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Izv. Akad. Nauk SSSR, Ser. Mat. 30, 1193--1200 (1966; Zbl 0168.31201)
Kotlyar, B. D. Approximation von Funktionen, die auf unbeschränkten perfekten Mengen der reellen Achse vorgegeben sind. (Russian) Zbl 0238.41004 Kazan. Gos. Univ., Uch. Zap. 124(1964), No. 6, 172-180 (1965). MSC: 41A30 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Kazan. Gos. Univ., Uch. Zap. 124, No. 6, 172--180 (1965; Zbl 0238.41004)
Kotlyar, B. D. Note on operators in a space of sequences. (Russian) Zbl 0233.46017 Kazan. Gos. Univ., Uch. Zap. 124(1964), No. 6, 181-182 (1965). MSC: 46A45 PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Kazan. Gos. Univ., Uch. Zap. 124, No. 6, 181--182 (1965; Zbl 0233.46017)
Brudnyj, Yu. A.; Kotlyar, B. D. Über die Wachstumsordnung der \(\epsilon\)-Entropie gewisser kompakter Funktionenklassen. (Russian) Zbl 0194.09302 Issled. Sovrem. Probl. Konstr. Teor. Funkts., Baku 578-584 (1965). PDFBibTeX XML
Kotlyar, B. D. Über quasiglatte Funktionen zweier Veränderlicher. (Russian) Zbl 0128.05703 Ukr. Mat. Zh. 16, 383-385 (1964). PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Ukr. Mat. Zh. 16, 383--385 (1964; Zbl 0128.05703)
Brudnyj, Yu. A.; Kotlyar, B. D. The order of the growth of \(\epsilon\)-entropy on certain compact classes of functions. (English. Russian original) Zbl 0171.30402 Sov. Math., Dokl. 4, 196-199 (1963); translation from Dokl. Akad. Nauk SSSR 148, 1001-1004 (1963). PDFBibTeX XMLCite \textit{Yu. A. Brudnyj} and \textit{B. D. Kotlyar}, Sov. Math., Dokl. 4, 196--199 (1963; Zbl 0171.30402); translation from Dokl. Akad. Nauk SSSR 148, 1001--1004 (1963)
Kotlyar, B. D. On the growth of \(\epsilon\)-entropy on a class of quasismooth functions. (Russian) Zbl 0171.30401 Usp. Mat. Nauk 18, No. 2(110), 135-138 (1963). PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Usp. Mat. Nauk 18, No. 2(110), 135--138 (1963; Zbl 0171.30401)
Kotlyar, B. D. Approximation by entire functions of exponential type to functions defined outside an interval. (English. Russian original) Zbl 0145.29102 Sov. Math., Dokl. 4, 1074-1075 (1963); translation from Dokl. Akad. Nauk SSSR 151, 770-771 (1963). PDFBibTeX XMLCite \textit{B. D. Kotlyar}, Sov. Math., Dokl. 4, 1074--1075 (1963; Zbl 0145.29102); translation from Dokl. Akad. Nauk SSSR 151, 770--771 (1963)