TY  - JOUR
AU  - I. V. Kamenev
TI  - The oscillatoriness of the solutions of a second order nonlinear equation with a sign-variable coefficient
JO  - Differencialʹnye uravneniâ
PY  - 1970
SP  - 1718
EP  - 1721
VL  - 6
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1970_6_9_a20/
LA  - ru
ID  - DE_1970_6_9_a20
ER  -