TY  - JOUR
AU  - I. V. Kamenev
TI  - A certain specific nonlinear oscillation theorem
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 574
EP  - 576
VL  - 9
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_3_a26/
LA  - ru
ID  - DE_1973_9_3_a26
ER  -