TY  - JOUR
AU  - G. D. Dachev
TI  - Boundary value problems for a class of equations of mixed type
JO  - Differencialʹnye uravneniâ
PY  - 1982
SP  - 1894
EP  - 1902
VL  - 18
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1982_18_11_a6/
LA  - ru
ID  - DE_1982_18_11_a6
ER  -