%0 Journal Article %A Hadžić Olga, %T On multivalued contractions in probabilistic metric spaces %J Novi Sad Journal of Mathematics %D 1990 %P 161-171 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1990_20_2a_18/ %F NSJOM_1990_20_2a_18