%0 Journal Article
%A I. A. Kipriyanov
%T A certain class of singular elliptic operators. I
%J Differencialʹnye uravneniâ
%D 1971
%P 2066-2077
%V 7
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1971_7_11_a15/
%G ru
%F DE_1971_7_11_a15