TY  - JOUR
AU  - V. I. Zhegalov
TI  - Some boundary-value problems for a system of second-order equations of mixed type
JO  - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
PY  - 1962
SP  - 17
EP  - 29
VL  - 122
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZKU_1962_122_3_a1/
LA  - ru
ID  - UZKU_1962_122_3_a1
ER  -