TY  - JOUR
AU  - M. E. Lerner
TI  - On a problem for a model equation of mixed elliptic-parabolic-hyperbolic type in a domain with a doubly connected subdomain of hyperbolicity
JO  - Differencialʹnye uravneniâ
PY  - 1992
SP  - 1456
EP  - 1459
VL  - 28
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1992_28_8_a23/
LA  - ru
ID  - DE_1992_28_8_a23
ER  -