TY  - JOUR
AU  - M. M. Khapaev
AU  - O. P. Filatov
TI  - On averaging and stability in systems with singularities
JO  - Doklady Akademii Nauk
PY  - 1981
SP  - 67
EP  - 70
VL  - 261
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1981_261_1_a16/
LA  - ru
ID  - DAN_1981_261_1_a16
ER  -