%0 Journal Article
%A V. P. Nozdracheva
%T A congruence function in the vicinity of a structurally stable saddle
%J Differencialʹnye uravneniâ
%D 1979
%P 252-261
%V 15
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1979_15_2_a6/
%G ru
%F DE_1979_15_2_a6