TY  - JOUR
AU  - L. S. Lavrinovich
TI  - A certain class of differential equations with a limit cycle
JO  - Differencialʹnye uravneniâ
PY  - 1974
SP  - 2077
EP  - 2078
VL  - 10
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1974_10_11_a24/
LA  - ru
ID  - DE_1974_10_11_a24
ER  -