TY - JOUR AU - Jacek Klisowski TI - A survey of various modifications of the notions of absolute retracts and absolute neighborhood retracts JO - Colloquium Mathematicum PY - 1982 SP - 23 EP - 35 VL - 46 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-46-1-23-35/ DO - 10.4064/cm-46-1-23-35 LA - en ID - 10_4064_cm_46_1_23_35 ER -