TY  - JOUR
AU  - V. Sh. Roitenberg
TI  - Bifurcations of a polycycle formed by separatrices of a saddle with zero saddle value of a dynamical system with central symmetry
JO  - Matematičeskie zametki SVFU
PY  - 2023
SP  - 67
EP  - 77
VL  - 30
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/SVFU_2023_30_3_a5/
LA  - ru
ID  - SVFU_2023_30_3_a5
ER  -