TY  - JOUR
AU  - V. M. Volosov
TI  - Oscillation equations with slowly variable parameters
JO  - Doklady Akademii Nauk
PY  - 1958
SP  - 22
EP  - 25
VL  - 121
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1958_121_1_a4/
LA  - ru
ID  - DAN_1958_121_1_a4
ER  -