%0 Journal Article
%A E. P. Kubishkin
%T Bifurcation of periodic solutions in the critical case of two pairs of purely imaginary roots in the presence of higher resonances
%J Differencialʹnye uravneniâ
%D 1986
%P 1693-1697
%V 22
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1986_22_10_a3/
%G ru
%F DE_1986_22_10_a3