Shabozov, M. Sh.; Kadamshoev, N. U. Sharp inequalities between the best root-mean-square approximations of analytic functions in the disk and some smoothness characteristics in the Bergman space. (English. Russian original) Zbl 1477.41006 Math. Notes 110, No. 2, 248-260 (2021); translation from Mat. Zametki 110, No. 2, 266-281 (2021). MSC: 41A17 30E10 41A25 PDF BibTeX XML Cite \textit{M. Sh. Shabozov} and \textit{N. U. Kadamshoev}, Math. Notes 110, No. 2, 248--260 (2021; Zbl 1477.41006); translation from Mat. Zametki 110, No. 2, 266--281 (2021) Full Text: DOI OpenURL
Aleksandrov, V. M. Optimal control of linear systems with interval constraints. (English. Russian original) Zbl 1318.65032 Comput. Math. Math. Phys. 55, No. 5, 749-765 (2015); translation from Zh. Vychisl. Mat. Mat. Fiz. 55, No. 5, 758-775 (2015). MSC: 65K10 49J15 49M25 PDF BibTeX XML Cite \textit{V. M. Aleksandrov}, Comput. Math. Math. Phys. 55, No. 5, 749--765 (2015; Zbl 1318.65032); translation from Zh. Vychisl. Mat. Mat. Fiz. 55, No. 5, 758--775 (2015) Full Text: DOI OpenURL
Kucuk, Ismail; Yildirim, Kenan Necessary and sufficient conditions of optimality for a damped hyperbolic equation in one-space dimension. (English) Zbl 1472.49006 Abstr. Appl. Anal. 2014, Article ID 493130, 10 p. (2014). MSC: 49J20 49K15 PDF BibTeX XML Cite \textit{I. Kucuk} and \textit{K. Yildirim}, Abstr. Appl. Anal. 2014, Article ID 493130, 10 p. (2014; Zbl 1472.49006) Full Text: DOI OpenURL