%0 Journal Article
%A A. V. Kostin
%T The real singular points of the solutions of second order nonlinear differential equations
%J Differencialʹnye uravneniâ
%D 1970
%P 1713-1715
%V 6
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1970_6_9_a18/
%G ru
%F DE_1970_6_9_a18