TY  - JOUR
AU  - T. Sh. Kal'menov
AU  - M. A. Sadybekov
TI  - The Dirichlet problem and nonlocal boundary value problems for the wave equation
JO  - Differencialʹnye uravneniâ
PY  - 1990
SP  - 60
EP  - 65
VL  - 26
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1990_26_1_a7/
LA  - ru
ID  - DE_1990_26_1_a7
ER  -