TY  - JOUR
AU  - I. E. Egorov
TI  - Solvability of a boundary value problem for a high-order equation of mixed type
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 1560
EP  - 1567
VL  - 23
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_9_a10/
LA  - ru
ID  - DE_1987_23_9_a10
ER  -