%0 Journal Article %A Gajić Ljiljana %T A fixed point theorem in abstract economy %J Novi Sad Journal of Mathematics %D 1995 %P 19-28 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1995_25_1a_2/ %F NSJOM_1995_25_1a_2