TY  - JOUR
AU  - S. Yakubov
AU  - U. Ègamberdiev
TI  - Some boundary value problems with an unknown boundary for mixed parabolic-hyperbolic equations of second and third orders
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 154
EP  - 161
VL  - 20
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_1_a19/
LA  - ru
ID  - DE_1984_20_1_a19
ER  -