TY  - JOUR
AU  - P. E. Sobolevskii
TI  - Second order equations in Banach space with a~small parameter at the higher derivative
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1964
VL  - 19
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1964_19_6_a26/
LA  - ru
ID  - RM_1964_19_6_a26
ER  -