%0 Journal Article
%A M. V. Dolov
%T An integrating factor in a neighborhood of a node
%J Differencialʹnye uravneniâ
%D 1997
%P 158-160
%V 33
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1997_33_2_a2/
%G ru
%F DE_1997_33_2_a2