TY - JOUR AU - Ljubomir B. Ćirić TI - Fixed And Periodic Points For A Class Of Contractive Operators JO - Publications de l'Institut Mathématique PY - 1975 SP - 57 VL - _N_S_18 IS - 32 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PIM_1975_N_S_18_32_a5/ ID - PIM_1975_N_S_18_32_a5 ER -