TY - JOUR AU - Chyi Shiau AU - Kok-Keong Tan AU - Chi Wong TI - Quasi-nonexpansive multi-valued maps and selections JO - Fundamenta Mathematicae PY - 1975 SP - 109 EP - 119 VL - 87 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-87-2-109-119/ DO - 10.4064/fm-87-2-109-119 LA - en ID - 10_4064_fm_87_2_109_119 ER -