%0 Journal Article
%A O. I. Kuznetsova
%T On some properties of polynomial operators of triangular form in a space of continuous periodic functions of two variables
%J Doklady Akademii Nauk
%D 1975
%P 1304-1306
%V 223
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1975_223_6_a4/
%G ru
%F DAN_1975_223_6_a4