TY  - JOUR
AU  - Antonella Fiacca
AU  - Francesca Papalini
TI  - On the continuity of midpoint hall convex set-valued functions.
JO  - Aequationes mathematicae
PY  - 1994
SP  - 283
EP  - 293
VL  - 48
IS  - 2-3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1994__48_2-3_137612/
ID  - AM2_1994__48_2-3_137612
ER  -