TY  - JOUR
AU  - L. A. Groza
TI  - Asymptotic solutions of second order linear homogeneous differential equations in a Banach space with a small parameter multiplying the highest derivative
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 1393
EP  - 1402
VL  - 9
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_8_a3/
LA  - ru
ID  - DE_1973_9_8_a3
ER  -