%0 Journal Article %A Hadžić Olga %A Budinčević Mirko %T A class of  T-norms in the fixed point theory on PM spaces %J Novi Sad Journal of Mathematics %D 1979 %P 37-41 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1979_9_Nonea_5/ %F NSJOM_1979_9_Nonea_5