TY  - JOUR
AU  - J.E. Jayne
AU  - R.W. Hansell
AU  - I. Labuda
TI  - Boundaries of and Selectors for Upper Semi-Continuous Multi-Valued Maps.
JO  - Mathematische Zeitschrift
PY  - 1985
SP  - 297
EP  - 318
VL  - 189
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1985__189_173583/
ID  - MZ_1985__189_173583
ER  -