%0 Journal Article %A R. Dasgupta %T Cauchy equation on discrete domain and some characterisation theorems %J Teoriâ veroâtnostej i ee primeneniâ %D 1993 %P 661-666 %V 38 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1993_38_3_a17/ %G en %F TVP_1993_38_3_a17