@article{DBLP:journals/siamco/GuoZ05,
author = {Bao-Zhu Guo and
Xu Zhang},
title = {The Regularity of the Wave Equation with Partial Dirichlet
Control and Colocated Observation},
journal = {SIAM J. Control and Optimization},
volume = {44},
number = {5},
year = {2005},
pages = {1598-1613},
ee = {http://dx.doi.org/10.1137/040610702},
bibsource = {DBLP, http://dblp.uni-trier.de}
}