%0 Journal Article %A Milan R. Tasković %T Monotonic mappings on ordered sets, a class of inequalities with finite differences and fixed points %J Publications de l'Institut Mathématique %D 1974 %P 163 %V _N_S_17 %N 31 %I mathdoc %U http://geodesic.mathdoc.fr/item/PIM_1974_N_S_17_31_a18/ %F PIM_1974_N_S_17_31_a18