TY  - JOUR
AU  - S. K. Kulazhanov
TI  - The spectrum of a mixed problem for an equation of mixed type
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 56
EP  - 60
VL  - 20
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_1_a6/
LA  - ru
ID  - DE_1984_20_1_a6
ER  -