%0 Journal Article
%A V. Sh. Roitenberg
%T Bifurcations of a polycycle formed by two separatrix loops of a non-rough saddle of a dynamical system with central symmetry
%J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika
%D 2021
%P 39-46
%V 13
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VYURM_2021_13_3_a4/
%G ru
%F VYURM_2021_13_3_a4