%0 Journal Article %A D.P. Mittal %T On Some Functional Equations Concerning Entropy, Directed Divergence and Inaccuracy. %J Metrika %D 1975 %P 35-46 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1975__22_175652/ %F MET_1975__22_175652