TY - JOUR AU - Niemiec, Piotr TI - Functor of extension of $\Lambda$-isometric maps between central subsets of the unbounded Urysohn universal space JO - Commentationes Mathematicae Universitatis Carolinae PY - 2010 SP - 541 EP - 549 VL - 51 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_2010__51_3_a14/ LA - en ID - CMUC_2010__51_3_a14 ER -