%0 Journal Article
%A Yu. I. Volkov
%T On approximation in the mean by multidimensional positive linear operators
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1987
%P 85-86
%V 180
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1987_180_a44/
%G ru
%F TM_1987_180_a44