%0 Journal Article
%A I. M. Burkin
%T A frequency criterion for the orbital stability of limit cycles of the second kind
%J Differencialʹnye uravneniâ
%D 1993
%P 1061-1063
%V 29
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1993_29_6_a17/
%G ru
%F DE_1993_29_6_a17