TY  - JOUR
AU  - SvetIa Spirova
TI  - Strong Solvability of a Boundary Value Problem for an Equation of Mixed Type
JO  - Mathematica balkanica
PY  - 1994
SP  - 287
VL  - 8
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MABA_1994_8_4_a1/
ID  - MABA_1994_8_4_a1
ER  -