TY  - JOUR
AU  - G. D. Karatoprakliev
TI  - Existence of weak solutions of a certain boundary value problem for an equation of mixed type in multidimensional domains
JO  - Doklady Akademii Nauk
PY  - 1970
SP  - 1226
EP  - 1229
VL  - 193
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1970_193_6_a3/
LA  - ru
ID  - DAN_1970_193_6_a3
ER  -