TY  - JOUR
AU  - M. A. Amatov
TI  - Periodic solutions of a certain autonomous system of ordinary differential equations with discontinuous right-hand sides
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 1937
EP  - 1944
VL  - 9
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_11_a1/
LA  - ru
ID  - DE_1973_9_11_a1
ER  -