%0 Journal Article %A A. A. Khromov %T Approximation of Function and Its Derivative by the Modificated Steklov Operator %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2014 %P 595-599 %V 14 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2014_14_4_a14/ %G ru %F ISU_2014_14_4_a14