TY  - JOUR
AU  - A. P. Begun
TI  - On the number of periodic solutions generated by a singular periodic solution
JO  - Differencialʹnye uravneniâ
PY  - 1999
SP  - 1132
EP  - 1134
VL  - 35
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1999_35_8_a17/
LA  - ru
ID  - DE_1999_35_8_a17
ER  -