TY  - JOUR
AU  - I. A. Konovalov
TI  - On conditions for the monocyclicity of a certain system of differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 754
EP  - 757
VL  - 12
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_4_a19/
LA  - ru
ID  - DE_1976_12_4_a19
ER  -