TY  - JOUR
AU  - Kuczumow, Tadeusz
AU  - Stachura, Adam
TI  - Extensions of nonexpansive mappings in the Hilbert ball with the hyperbolic metric. I.
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1988
SP  - 399
EP  - 402
VL  - 29
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1988__29_3_a0/
LA  - en
ID  - CMUC_1988__29_3_a0
ER  -