TY - JOUR AU - Szufla, Stanisław TI - An existence theorem for the Urysohn integral equation in Banach spaces JO - Commentationes Mathematicae Universitatis Carolinae PY - 1984 SP - 19 EP - 27 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1984__25_1_a1/ LA - en ID - CMUC_1984__25_1_a1 ER -