TY  - JOUR
AU  - Yu. L. Daletskii
AU  - E. A. Fadeeva
TI  - Hyperbolic equations with variable operator-valued coefficients
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 881
EP  - 891
VL  - 12
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_5_a9/
LA  - ru
ID  - DE_1976_12_5_a9
ER  -