TY  - JOUR
AU  - N. Yu. Kapustin
TI  - Three boundary value problems for a hyperbolic equation in a
JO  - Doklady Akademii Nauk
PY  - 1985
SP  - 555
EP  - 558
VL  - 285
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1985_285_3_a8/
LA  - ru
ID  - DAN_1985_285_3_a8
ER  -