TY  - JOUR
AU  - A. V. Dukov
TI  - Multiplicities of limit cycles appearing after perturbations of hyperbolic polycycles
JO  - Sbornik. Mathematics
PY  - 2023
SP  - 226
EP  - 245
VL  - 214
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2023_214_2_a4/
LA  - en
ID  - SM_2023_214_2_a4
ER  -