TY - JOUR AU - Ivan Kupka TI - A Banach fixed point theorem for topolocical spaces JO - Revista colombiana de matematicas PY - 1992 SP - 97 EP - 102 VL - 26 IS - 1-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RCM_1992__26_1-4_181858/ ID - RCM_1992__26_1-4_181858 ER -