TY  - JOUR
AU  - T. Sh. Kal'menov
TI  - The spectrum of the Tricomi problem for the Lavrent'ev--Bicadze equation
JO  - Differencialʹnye uravneniâ
PY  - 1977
SP  - 1418
EP  - 1425
VL  - 13
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1977_13_8_a7/
LA  - ru
ID  - DE_1977_13_8_a7
ER  -