TY  - JOUR
AU  - I. V. Kamenev
TI  - A note on Nehari's nonoscillation theorem
JO  - Differencialʹnye uravneniâ
PY  - 1978
SP  - 2073
VL  - 14
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1978_14_11_a17/
LA  - ru
ID  - DE_1978_14_11_a17
ER  -