Sharapudinov, I. I. Approximation properties of Fejér- and de la Valleé-Poussin-type means for partial sums of a special series in the system \(\{\sin x\sin kx\}_{k=1}^\infty\). (English. Russian original) Zbl 1376.42039 Sb. Math. 206, No. 4, 600-617 (2015); translation from Mat. Sb. 206, No. 4, 131-148 (2015). MSC: 42C10 41A17 46E30 46E35 PDFBibTeX XMLCite \textit{I. I. Sharapudinov}, Sb. Math. 206, No. 4, 600--617 (2015; Zbl 1376.42039); translation from Mat. Sb. 206, No. 4, 131--148 (2015) Full Text: DOI
Sharapudinov, I. I. Approximation of functions in variable-exponent Lebesgue and Sobolev spaces by finite Fourier-Haar series. (English, Russian) Zbl 1305.41018 Sb. Math. 205, No. 2, 291-306 (2014); translation from Mat. Sb. 205, No. 2, 145-160 (2014). Reviewer: Yuri A. Farkov (Moscow) MSC: 41A17 42C10 46E30 46E35 PDFBibTeX XMLCite \textit{I. I. Sharapudinov}, Sb. Math. 205, No. 2, 291--306 (2014; Zbl 1305.41018); translation from Mat. Sb. 205, No. 2, 145--160 (2014) Full Text: DOI
Kusainova, L. K. Multipliers in weighted Sobolev spaces. (English. Russian original) Zbl 1093.46018 Sb. Math. 196, No. 8, 1109-1136 (2005); translation from Mat. Sb. 196, No. 8, 21-48 (2005). Reviewer: Alexander Meskhi (Lahore) MSC: 46E35 46E30 PDFBibTeX XMLCite \textit{L. K. Kusainova}, Sb. Math. 196, No. 8, 1109--1136 (2005; Zbl 1093.46018); translation from Mat. Sb. 196, No. 8, 21--48 (2005) Full Text: DOI
Bagdasarov, S. K. Maximization of functionals in \(H^\omega[a,b]\). (English. Russian original) Zbl 0914.47008 Sb. Math. 189, No. 2, 3-72 (1998); translation from Mat. Sb. 189, No. 2, 159-226 (1998). Reviewer: A.Lukashov (Saratov) MSC: 47A30 41A46 41A50 41A17 46E30 26D10 PDFBibTeX XMLCite \textit{S. K. Bagdasarov}, Sb. Math. 189, No. 2, 3--72 (1998; Zbl 0914.47008); translation from Mat. Sb. 189, No. 2, 159--226 (1998) Full Text: DOI
Klimov, V. S. Functional inequalities and generalized capacities. (English. Russian original) Zbl 0873.46019 Sb. Math. 187, No. 1, 39-52 (1996); translation from Mat. Sb. 187, No. 1, 41-54 (1996). MSC: 46E30 26D10 46E35 PDFBibTeX XMLCite \textit{V. S. Klimov}, Sb. Math. 187, No. 1, 39--52 (1996; Zbl 0873.46019); translation from Mat. Sb. 187, No. 1, 41--54 (1996) Full Text: DOI