TY  - JOUR
AU  - A. V. Bitsadze
AU  - A. M. Nakhushev
TI  - Correct formulations of problems for equations of mixed type in multidimensional domains
JO  - Doklady Akademii Nauk
PY  - 1972
SP  - 9
EP  - 12
VL  - 205
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1972_205_1_a0/
LA  - ru
ID  - DAN_1972_205_1_a0
ER  -