About the author
Sharapudinov Idris Idrisovich
The Head of the Department of mathematics and informatics, Dagestan scientific center, Russian academy of sciences, doctor of physical and mathematical sciences, professor. Research interests: functional analysis, the theory of functions of real variable, approximation theory, variable exponent Lebesgue space, orthogonal polynomials.
Workplace: Department of Mathematics and Informatics, Dagestan Scientific Center, Russian Academy of Sciences