%0 Journal Article
%A A.B. El-Sayed
%T Cascaded Channels and the Equivocation Inequality.
%J Metrika
%D 1978
%P 193-208
%V 25
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MET_1978__25_175752/
%F MET_1978__25_175752