@article{DBLP:journals/corr/abs-cs-0603059,
author = {Guangyue Han and
Brian H. Marcus},
title = {Derivatives of Entropy Rate in Special Families of Hidden
Markov Chains},
journal = {CoRR},
volume = {abs/cs/0603059},
year = {2006},
ee = {http://arxiv.org/abs/cs/0603059},
bibsource = {DBLP, http://dblp.uni-trier.de}
}