@article{DBLP:journals/automatica/MullerZD06,
author = {Claus M{\"u}ller and
Xiang W. Zhuo and
Jos{\'e} A. De Don{\'a}},
title = {Duality and symmetry in constrained estimation and control
problems},
journal = {Automatica},
volume = {42},
number = {12},
year = {2006},
pages = {2183-2188},
ee = {http://dx.doi.org/10.1016/j.automatica.2006.07.005},
bibsource = {DBLP, http://dblp.uni-trier.de}
}