%0 Journal Article %A Jain, Priti %A Tuteja, R. K. %T On a coding theorem connected with ‘useful’ entropy of order $\alpha$ and type $\beta$ %J Kybernetika %D 1987 %P 420-427 %V 23 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1987__23_5_a7/ %G en %F KYB_1987__23_5_a7