Buslaev, A. P.; Magaril-Il’yaev, G. G.; Nam, Nguen T’en Exact values of Bernstein widths of Sobolev classes of periodic functions. (English. Russian original) Zbl 0859.41019 Math. Notes 58, No. 1, 770-774 (1995); translation from Mat. Zametki 58, No. 1, 139-143 (1995). Reviewer: W.W.Breckner (Cluj-Napoca) MSC: 41A46 46E35 PDFBibTeX XMLCite \textit{A. P. Buslaev} et al., Math. Notes 58, No. 1, 770--774 (1995; Zbl 0859.41019); translation from Mat. Zametki 58, No. 1, 139--143 (1995) Full Text: DOI
Buslaev, A. P.; Tikhomirov, V. M. Spectral theory of nonlinear equations and \(N\)-widths of Sobolev spaces. (English) Zbl 0804.41020 Gonchar, A. A. (ed.) et al., Methods of approximation theory in complex analysis and mathematical physics. Selected papers of international seminars on “Methods of approximation theory in complex analysis and mathematical physics” held in Leningrad, Russia, May 13-26, 1991. Berlin: Springer-Verlag. Lect. Notes Math. 1550, 19-30 (1993). Reviewer: A.Kufner (Praha) MSC: 41A46 41A65 47J10 PDFBibTeX XMLCite \textit{A. P. Buslaev} and \textit{V. M. Tikhomirov}, Lect. Notes Math. 1550, 19--30 (1993; Zbl 0804.41020)
Buslaev, A. P. On Bernstein-Nikol’skij inequalities and widths of Sobolev function classes. (English. Russian original) Zbl 0797.46025 Russ. Acad. Sci., Dokl., Math. 45, No. 2, 272-275 (1992); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 323, No. 2, 202-205 (1992). Reviewer: H.Triebel (Jena) MSC: 46E35 PDFBibTeX XMLCite \textit{A. P. Buslaev}, Russ. Acad. Sci., Dokl., Math. 45, No. 2, 1 (1992; Zbl 0797.46025); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 323, No. 2, 202--205 (1992)
Buslaev, A. P. The generalized Rayleigh spectra and Kolmogorov n-widths. (English) Zbl 0769.41023 Approximation Theory Appl. 8, No. 4, 35-44 (1992). MSC: 41A46 PDFBibTeX XMLCite \textit{A. P. Buslaev}, Approximation Theory Appl. 8, No. 4, 35--44 (1992; Zbl 0769.41023)
Buslaev, A. P. A variational description of the spectra of totally positive matrices, and extremal problems of approximation theory. (English. Russian original) Zbl 0797.41021 Math. Notes 47, No. 1, 26-31 (1990); translation from Mat. Zametki 47, No. 1, 39-46 (1990). MSC: 41A46 PDFBibTeX XMLCite \textit{A. P. Buslaev}, Math. Notes 47, No. 1, 26--31 (1990; Zbl 0797.41021); translation from Mat. Zametki 47, No. 1, 39--46 (1990) Full Text: DOI
Buslaev, A. P.; Tikhomirov, V. M. Some questions of nonlinear analysis and approximation theory. (English. Russian original) Zbl 0595.34018 Sov. Math., Dokl. 32, 4-8 (1985); translation from Dokl. Akad. Nauk SSSR 283, 13-18 (1985). Reviewer: W.Seda MSC: 34B15 41A46 PDFBibTeX XMLCite \textit{A. P. Buslaev} and \textit{V. M. Tikhomirov}, Sov. Math., Dokl. 32, 4--8 (1985; Zbl 0595.34018); translation from Dokl. Akad. Nauk SSSR 283, 13--18 (1985)