TY  - JOUR
AU  - M. G. Khudai-Verenov
TI  - A remark on limit cycles of an equation
JO  - Differencialʹnye uravneniâ
PY  - 1967
SP  - 692
EP  - 694
VL  - 3
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1967_3_4_a10/
LA  - ru
ID  - DE_1967_3_4_a10
ER  -