title = {Concavity of the auxiliary function appearing in quantum reliability function an classical-quantum channels},
author = {Jun Iichi Fujii and Ritsuo Nakamoto and Kenjiro Yanagi}, journal = {CoRR}, note = {informal publication}, url = {http://dblp.uni-trier.de/db/journals/corr/corr0501.html#abs-cs-0501057}, volume = {abs/cs/0501057}, year = {2005}, description = {dblp}, ee = {http://arxiv.org/abs/cs/0501057}, date = {2008-01-02},
keywords = {dblp }