%0 Journal Article %A Ljubomir B. Ćirić %T Fixed And Periodic Points For A Class Of Contractive Operators %J Publications de l'Institut Mathématique %D 1975 %P 57 %V _N_S_18 %N 32 %I mathdoc %U http://geodesic.mathdoc.fr/item/PIM_1975_N_S_18_32_a5/ %F PIM_1975_N_S_18_32_a5