TY  - JOUR
AU  - V. Ya. Derr
TI  - A criterion for nonoscillation of the solutions of a homogeneous equation relative to a system of functionals
JO  - Doklady Akademii Nauk
PY  - 1981
SP  - 1047
EP  - 1051
VL  - 260
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1981_260_5_a4/
LA  - ru
ID  - DAN_1981_260_5_a4
ER  -