TY  - JOUR
AU  - V. Sh. Roitenberg
TI  - On structural stability and bifurcations of polynomial differential equations on the circle
JO  - Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika
PY  - 2019
SP  - 20
EP  - 24
VL  - 11
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VYURM_2019_11_2_a2/
LA  - ru
ID  - VYURM_2019_11_2_a2
ER  -