%0 Journal Article %A M. Hegedüs %T Some Extensions Of Fixed Point Theorems Concerning Ćirić's Quasi-Contraction Mappings %J Publications de l'Institut Mathématique %D 1980 %P 77 %V _N_S_27 %N 41 %I mathdoc %U http://geodesic.mathdoc.fr/item/PIM_1980_N_S_27_41_a12/ %F PIM_1980_N_S_27_41_a12