TY  - JOUR
AU  - M. S. Salakhitdinov
AU  - A. Tolipov
TI  - Certain boundary value problems for equations of mixed type with one and two curves of degeneracy
JO  - Differencialʹnye uravneniâ
PY  - 1972
SP  - 134
EP  - 142
VL  - 8
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1972_8_1_a14/
LA  - ru
ID  - DE_1972_8_1_a14
ER  -