TY  - JOUR
AU  - I. V. Kamenev
TI  - An integral criterion for oscillation of linear differential equations of second order
JO  - Matematičeskie zametki
PY  - 1978
SP  - 249
EP  - 252
VL  - 23
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1978_23_2_a7/
LA  - ru
ID  - MZM_1978_23_2_a7
ER  -