TY  - JOUR
AU  - V. N. Vragov
AU  - A. G. Podgaev
TI  - On well-posed problems for some equations of variable type
JO  - Doklady Akademii Nauk
PY  - 1981
SP  - 277
EP  - 280
VL  - 260
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1981_260_2_a3/
LA  - ru
ID  - DAN_1981_260_2_a3
ER  -