TY  - JOUR
AU  - M. Bartushek
TI  - The zeros of the oscillatory solutions of the equation $(p(t)x')'+f(t,$ $x,$ $x')=0$
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 621
EP  - 625
VL  - 12
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_4_a4/
LA  - ru
ID  - DE_1976_12_4_a4
ER  -