%0 Journal Article
%A N. P. Erugin
%T The analytic and the qualilative theory, and also the asymptotic behavior of the solutions of the system $dx/dz=2$ $\surd P(x,\,y)/z$. $dy/dz=2$ $\surd P(x,\,y)/(1-z)$. II
%J Differencialʹnye uravneniâ
%D 1974
%P 1964-1987
%V 10
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1974_10_11_a6/
%G ru
%F DE_1974_10_11_a6