TY  - JOUR
AU  - A. F. Zubova
TI  - Investigation of oscillations and stability
JO  - Differencialʹnye uravneniâ
PY  - 1979
SP  - 1960
EP  - 1966
VL  - 15
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1979_15_11_a4/
LA  - ru
ID  - DE_1979_15_11_a4
ER  -