%0 Journal Article %A Vivona, D. %A Divari, M. %T On Two Conditional Entropies without Probability. %J Mathware & soft computing %D 2007 %P 125-128 %V 14 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MSC_2007_2007_1_a7/ %G en %F MSC_2007_2007_1_a7