TY  - JOUR
AU  - È. R. Tsekanovskii
TI  - The characteristic function and sectorial boundary value problems
JO  - Matematičeskie trudy
PY  - 1987
SP  - 180
EP  - 194
VL  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MT_1987_7_a10/
LA  - ru
ID  - MT_1987_7_a10
ER  -