TY - JOUR AU - M. Randall Holmes TI - The universal separable metric space of Urysohn and isometric embeddings thereof in Đ’anach spaces JO - Fundamenta Mathematicae PY - 1991 SP - 199 EP - 223 VL - 140 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-140-3-199-223/ DO - 10.4064/fm-140-3-199-223 LA - en ID - 10_4064_fm_140_3_199_223 ER -