TY  - JOUR
AU  - N. I. Brisch
AU  - N. J. Yurchuk
TI  - The Goursat problem for abstract second order linear differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1971
SP  - 1017
EP  - 1030
VL  - 7
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1971_7_6_a8/
LA  - ru
ID  - DE_1971_7_6_a8
ER  -