TY - JOUR AU - Nhu Nguyen AU - Katsuro Sakai AU - Raymond Wong TI - Spaces of retractions which are homeomorphic to Hilbert space JO - Fundamenta Mathematicae PY - 1990 SP - 45 EP - 52 VL - 136 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-136-1-45-52/ DO - 10.4064/fm-136-1-45-52 LA - en ID - 10_4064_fm_136_1_45_52 ER -