TY  - JOUR
AU  - H. M. Nadzafov
TI  - On the Tricomi problem for a second order linear equation of mixed type
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 763
EP  - 765
VL  - 12
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_4_a22/
LA  - ru
ID  - DE_1976_12_4_a22
ER  -