%0 Journal Article %A Taneja, H. C. %T On measures of relative ‘useful’ information %J Kybernetika %D 1985 %P 148-156 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1985__21_2_a6/ %G en %F KYB_1985__21_2_a6