TY  - JOUR
AU  - A. N. Filatov
TI  - Some problems of the theory of singularly perturbed equations
JO  - Differencialʹnye uravneniâ
PY  - 1985
SP  - 1726
EP  - 1730
VL  - 21
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1985_21_10_a12/
LA  - ru
ID  - DE_1985_21_10_a12
ER  -