TY  - JOUR
AU  - I. M. Karasev
TI  - The first boundary value problem for an equation with nonnegative characteristic form in the spaces

JO  - Doklady Akademii Nauk
PY  - 1976
SP  - 38
EP  - 39
VL  - 226
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1976_226_1_a7/
LA  - ru
ID  - DAN_1976_226_1_a7
ER  -