@article{GDZPPN002456117, title = {Cascaded Channels and the Equivocation Inequality.}, journal = {Metrika}, volume = {25}, year = {1978}, pages = {193-208}, zbl = {0391.94010}, url = {http://dml.mathdoc.fr/item/GDZPPN002456117} }
El-Sayed, A.B. Cascaded Channels and the Equivocation Inequality.. Metrika, Tome 25 (1978) pp. 193-208. http://gdmltest.u-ga.fr/item/GDZPPN002456117/