%0 Journal Article
%A S. N. Markov
%T Singularities of solutions of second-order equations in a real domain
%J Differencialʹnye uravneniâ
%D 1981
%P 741-743
%V 17
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1981_17_4_a20/
%G ru
%F DE_1981_17_4_a20