TY  - JOUR
AU  - V. I. Chesalin
TI  - A problem with nonlocal boundary conditions for certain abstract hyperbolic equations
JO  - Differencialʹnye uravneniâ
PY  - 1979
SP  - 2104
EP  - 2106
VL  - 15
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1979_15_11_a24/
LA  - ru
ID  - DE_1979_15_11_a24
ER  -