%0 Journal Article %A Hadžić Olga %T A generalization of the contraction principle in probabilistic metric spaces %J Novi Sad Journal of Mathematics %D 1980 %P 13-20 %V 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1980_10_Nonea_1/ %F NSJOM_1980_10_Nonea_1