%0 Journal Article %A Kovachev, Dimiter %T On some Generalizations of a Class of Discrete Functions %J Serdica Journal of Computing %D 2008 %P 313-320 %V 2 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJC_2008_2_4_a0/ %G en %F SJC_2008_2_4_a0