%0 Journal Article
%A A. Dzhuraev
%T The Poincar\'e problem for a second-order elliptic equation with singular coefficients
%J Doklady Akademii Nauk
%D 1962
%P 995-998
%V 146
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_146_5_a3/
%G ru
%F DAN_1962_146_5_a3