%0 Journal Article
%A S. G. Kondratenya
%T Second-order equations without moving essentially singular points
%J Differencialʹnye uravneniâ
%D 1996
%P 484-490
%V 32
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1996_32_4_a6/
%G ru
%F DE_1996_32_4_a6