%0 Journal Article
%A R. K. Vasil'ev
%T On the degree of the approximation of functions of several variables by linear positive operators of finite rank
%J Matematičeskie zametki
%D 1993
%P 3-15
%V 53
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1993_53_1_a0/
%G ru
%F MZM_1993_53_1_a0