TY  - JOUR
AU  - S. N. Olekhnik
TI  - The oscillatory nature of the solutions of a certain system of second order ordinary differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 2146
EP  - 2151
VL  - 9
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_12_a3/
LA  - ru
ID  - DE_1973_9_12_a3
ER  -