%0 Journal Article
%A M. V. Dolov
%T The canonical integral in the neighborhood of a focus
%J Differencialʹnye uravneniâ
%D 1976
%P 1946-1953
%V 12
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_11_a3/
%G ru
%F DE_1976_12_11_a3