TY  - JOUR
AU  - M. S. Agranovich
TI  - Positive mixed problems for certain hyperbolic systems
JO  - Doklady Akademii Nauk
PY  - 1966
SP  - 1215
EP  - 1218
VL  - 167
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1966_167_6_a0/
LA  - ru
ID  - DAN_1966_167_6_a0
ER  -