TY - JOUR AU - Hedrlín, Zdeněk TI - On iteration methods and the formulation of the Isbell's problem JO - Commentationes Mathematicae Universitatis Carolinae PY - 1961 SP - 20 EP - 21 VL - 2 IS - 4 UR - http://geodesic.mathdoc.fr/item/CMUC_1961_2_4_a4/ LA - en ID - CMUC_1961_2_4_a4 ER -