TY  - JOUR
AU  - M. V. Dolov
TI  - The structure of a single-valued integrating factor near a cycle
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 1490
EP  - 1492
VL  - 17
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_8_a15/
LA  - ru
ID  - DE_1981_17_8_a15
ER  -