TY  - JOUR
AU  - A. V. Bitsadze
AU  - A. M. Nakhushev
TI  - On the theory of equations of mixed type in multidimensional domains
JO  - Differencialʹnye uravneniâ
PY  - 1974
SP  - 2184
EP  - 2191
VL  - 10
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1974_10_12_a9/
LA  - ru
ID  - DE_1974_10_12_a9
ER  -