%0 Journal Article
%A V. Sh. Roitenberg
%T Bifurcations of a polycycle formed by separatrices of a saddle with zero saddle value of a dynamical system with central symmetry
%J Matematičeskie zametki SVFU
%D 2023
%P 67-77
%V 30
%N 3
%U http://geodesic.mathdoc.fr/item/SVFU_2023_30_3_a5/
%G ru
%F SVFU_2023_30_3_a5