Gol’berg, A. L. Quasiconformal mappings and radii of normal systems of neighborhoods. (English. Russian original) Zbl 0998.30022 Ukr. Math. J. 51, No. 11, 1769-1772 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1566-1568 (1999). MSC: 30C65 PDFBibTeX XMLCite \textit{A. L. Gol'berg}, Ukr. Mat. Zh. 51, No. 11, 1566--1568 (1999; Zbl 0998.30022); translation from Ukr. Mat. Zh. 51, No. 11, 1566--1568 (1999) Full Text: DOI
Skrypnyk, I. V.; Romanenko, I. B. A priori estimates of solutions of linear parabolic problems with coefficients from Sobolev spaces. (English. Ukrainian original) Zbl 0974.35049 Ukr. Math. J. 51, No. 11, 1733-1748 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1534-1548 (1999). MSC: 35K35 35A05 35B45 PDFBibTeX XMLCite \textit{I. V. Skrypnyk} and \textit{I. B. Romanenko}, Ukr. Mat. Zh. 51, No. 11, 1534--1548 (1999; Zbl 0974.35049); translation from Ukr. Mat. Zh. 51, No. 11, 1534--1548 (1999) Full Text: DOI
Senashov, V. I. Almost layer finiteness of a periodic group without involutions. (English. Russian original) Zbl 0980.20027 Ukr. Math. J. 51, No. 11, 1729-1732 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1529-1533 (1999). MSC: 20F50 20E25 PDFBibTeX XMLCite \textit{V. I. Senashov}, Ukr. Mat. Zh. 51, No. 11, 1529--1533 (1999; Zbl 0980.20027); translation from Ukr. Mat. Zh. 51, No. 11, 1529--1533 (1999) Full Text: DOI
Samojlenko, A. M.; Prykarpats’kyj, Ya. A. Investigation of invariant deformations of integral manifolds of adiabatically perturbed completely integrable Hamiltonian systems. II. (English. Ukrainian original) Zbl 0972.37049 Ukr. Math. J. 51, No. 11, 1713-1728 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1513-1528 (1999). MSC: 37K10 37K50 37J20 PDFBibTeX XMLCite \textit{A. M. Samojlenko} and \textit{Ya. A. Prykarpats'kyj}, Ukr. Mat. Zh. 51, No. 11, 1513--1528 (1999; Zbl 0972.37049); translation from Ukr. Mat. Zh. 51, No. 11, 1513--1528 (1999) Full Text: DOI
Lavrenyuk, A. S. A singularly perturbed spectral problem for a biharmonic operator with Neumann conditions. (English. Ukrainian original) Zbl 1050.74609 Ukr. Math. J. 51, No. 11, 1656-1667 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1467-1475 (1999). MSC: 74K20 35P15 PDFBibTeX XMLCite \textit{A. S. Lavrenyuk}, Ukr. Mat. Zh. 51, No. 11, 1467--1475 (1999; Zbl 1050.74609); translation from Ukr. Mat. Zh. 51, No. 11, 1467--1475 (1999) Full Text: DOI
Bondarenko, V. G. Parametrix method for a parabolic equation on a Riemannian manifold. (English. Russian original) Zbl 0979.58009 Ukr. Math. J. 51, No. 11, 1627-1634 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1443-1448 (1999). MSC: 58J35 65N99 PDFBibTeX XMLCite \textit{V. G. Bondarenko}, Ukr. Mat. Zh. 51, No. 11, 1443--1448 (1999; Zbl 0979.58009); translation from Ukr. Mat. Zh. 51, No. 11, 1443--1448 (1999) Full Text: DOI
Radchenko, V. A. Differentiability of integrals of real functions with respect to \(L_0\)-valued measures. (English. Russian original) Zbl 0957.60053 Ukr. Math. J. 51, No. 11, 1787-1790 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1582-1585 (1999). MSC: 60G57 PDFBibTeX XMLCite \textit{V. A. Radchenko}, Ukr. Mat. Zh. 51, No. 11, 1582--1585 (1999; Zbl 0957.60053); translation from Ukr. Mat. Zh. 51, No. 11, 1582--1585 (1999) Full Text: DOI
Lopotko, O. V. On the extension of even-positive-definite functions of one and two variables. (English. Russian original) Zbl 0949.43003 Ukr. Math. J. 51, No. 11, 1782-1786 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1577-1581 (1999). MSC: 43A35 PDFBibTeX XMLCite \textit{O. V. Lopotko}, Ukr. Mat. Zh. 51, No. 11, 1577--1581 (1999; Zbl 0949.43003); translation from Ukr. Mat. Zh. 51, No. 11, 1577--1581 (1999) Full Text: DOI
Stepanets, A. I.; Wang, Kunyang; Zhang, Xirong Approximation of locally integrable functions on the real line. (English) Zbl 0953.41013 Ukr. Math. J. 51, No. 11, 1749-1763 (1999) and from Ukr. Mat. Zh. 51, No. 11, 1549-1561 (1999). MSC: 41A30 PDFBibTeX XMLCite \textit{A. I. Stepanets} et al., Ukr. Mat. Zh. 51, No. 11, 1549--1561 (1999; Zbl 0953.41013) Full Text: DOI
Ostrovs’ka, O. V. Approximation of continuous functions defined on the real axis by generalized Zygmund operators. (English. Ukrainian original) Zbl 0953.41014 Ukr. Math. J. 51, No. 11, 1704-1712 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1505-1512 (1999). MSC: 41A35 PDFBibTeX XMLCite \textit{O. V. Ostrovs'ka}, Ukr. Mat. Zh. 51, No. 11, 1505--1512 (1999; Zbl 0953.41014); translation from Ukr. Mat. Zh. 51, No. 11, 1505--1512 (1999) Full Text: DOI
Novikov, S. I. Approximation of one class of differentiable functions by piecewise Hermitian \(\mathcal L\)-splines. (English. Russian original) Zbl 0953.41006 Ukr. Math. J. 51, No. 11, 1693-1702 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1495-1504 (1999). MSC: 41A15 PDFBibTeX XMLCite \textit{S. I. Novikov}, Ukr. Mat. Zh. 51, No. 11, 1495--1504 (1999; Zbl 0953.41006); translation from Ukr. Mat. Zh. 51, No. 11, 1495--1504 (1999) Full Text: DOI
Mulyava, O. M. On convergence classes of the Dirichlet series. (English. Ukrainian original) Zbl 0952.30003 Ukr. Math. J. 51, No. 11, 1681-1692 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1485-1494 (1999). MSC: 30B50 PDFBibTeX XMLCite \textit{O. M. Mulyava}, Ukr. Mat. Zh. 51, No. 11, 1485--1494 (1999; Zbl 0952.30003); translation from Ukr. Mat. Zh. 51, No. 11, 1485--1494 (1999) Full Text: DOI
Kogan, A. M. On the best approximation of classes \(W^{r}H^{\omega}\) by algebraic polynomials in the space \(L_1\). (English. Russian original) Zbl 0980.41500 Ukr. Math. J. 51, No. 11, 1643-1655 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1456-1466 (1999). MSC: 41A10 41A50 PDFBibTeX XMLCite \textit{A. M. Kogan}, Ukr. Mat. Zh. 51, No. 11, 1456--1466 (1999; Zbl 0980.41500); translation from Ukr. Mat. Zh. 51, No. 11, 1456--1466 (1999) Full Text: DOI
Vasyl’kiv, Ya. V. On the boundedness of the total variation of the logarithm of a Blaschke product. (English. Ukrainian original) Zbl 0952.30032 Ukr. Math. J. 51, No. 11, 1635-1642 (1999); translation from Ukr. Mat. Zh. 51, No. 11, 1449-1455 (1999). MSC: 30D50 PDFBibTeX XMLCite \textit{Ya. V. Vasyl'kiv}, Ukr. Mat. Zh. 51, No. 11, 1449--1455 (1999; Zbl 0952.30032); translation from Ukr. Mat. Zh. 51, No. 11, 1449--1455 (1999) Full Text: DOI
Dombrovs’kyj, I. V. Smooth solution of nonlinear boundary value periodic problem. (Ukrainian) Zbl 0936.35018 Ukr. Mat. Zh. 51, No. 11, 1574-1576 (1999). Reviewer: I.O.Parasyuk (Kyïv) MSC: 35B10 35L70 35R20 35L20 PDFBibTeX XMLCite \textit{I. V. Dombrovs'kyj}, Ukr. Mat. Zh. 51, No. 11, 1574--1576 (1999; Zbl 0936.35018) Full Text: DOI
Dobrynskij, V. A. On synchronization of symmetrically perturbed system with quadratic nonlinearity. (Russian) Zbl 0934.37030 Ukr. Mat. Zh. 51, No. 11, 1569-1573 (1999). Reviewer: I.O.Parasyuk (Kyïv) MSC: 37D45 37C15 PDFBibTeX XMLCite \textit{V. A. Dobrynskij}, Ukr. Mat. Zh. 51, No. 11, 1569--1573 (1999; Zbl 0934.37030) Full Text: DOI
Vityuk, A. N. Existence of solutions for a differential inclusion of fractional order with upper semicontinuous right-hand side. (Russian) Zbl 0939.34017 Ukr. Mat. Zh. 51, No. 11, 1562-1562 (1999). Reviewer: I.O.Parasyuk (Kyïv) MSC: 34A60 26A33 49J24 34G20 PDFBibTeX XMLCite \textit{A. N. Vityuk}, Ukr. Mat. Zh. 51, No. 11, 1562--1562 (1999; Zbl 0939.34017) Full Text: DOI
Martynyuk, A. A.; Stavroulakis, I. P. Stability analysis with respect to two measures of impulsive systems under structural perturbations. (English) Zbl 0933.93059 Ukr. Math. J. 51, No. 11, 1668-1680 (1999) and Ukr. Mat. Zh. 51, No. 11, 1476-1484 (1999). Reviewer: I.O.Parasyuk (Kyïv) MSC: 93D05 34A37 93D30 PDFBibTeX XMLCite \textit{A. A. Martynyuk} and \textit{I. P. Stavroulakis}, Ukr. Mat. Zh. 51, No. 11, 1476--1484 (1999; Zbl 0933.93059) Full Text: DOI