@article{DBLP:journals/trob/JiE07,
author = {Meng Ji and
Magnus Egerstedt},
title = {Distributed Coordination Control of Multiagent Systems While
Preserving Connectedness},
journal = {IEEE Transactions on Robotics},
volume = {23},
number = {4},
year = {2007},
pages = {693-703},
ee = {http://dx.doi.org/10.1109/TRO.2007.900638},
bibsource = {DBLP, http://dblp.uni-trier.de}
}