H. Ando, Y. Oasa, I. Suzuki, and M. Yamashita, Distributed memoryless point convergence algorithm for mobile robots with limited visibility. Robotics and Automation, IEEE Transactions on, vol.15, issue.5, pp.818-828, 1999.

F. Aurenhammer, Voronoi diagrams---a survey of a fundamental geometric data structure, ACM Computing Surveys, vol.23, issue.3, p.405, 1991.
DOI : 10.1145/116873.116880

D. Canepa and M. G. Potop-butucaru, Stabilizing Flocking Via Leader Election in Robot Networks, SSS, pp.52-66, 2007.
DOI : 10.1007/978-3-540-76627-8_7
URL : https://hal.archives-ouvertes.fr/inria-00166630

M. Cieliebak, P. Flocchini, G. Prencipe, and N. Santoro, Solving the Robots Gathering Problem, Automata, Languages and Programming, pp.192-192, 2003.
DOI : 10.1007/3-540-45061-0_90
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.125.4461

X. Défago and A. Konagaya, Circle formation for oblivious anonymous mobile robots with no common sense of orientation, Proceedings of the second ACM international workshop on Principles of mobile computing , POMC '02, pp.97-104, 2002.
DOI : 10.1145/584490.584509

Y. Dieudonné, S. Dolev, F. Petit, and M. Segal, Deaf, Dumb, and Chatting Asynchronous Robots, OPODIS, pp.71-85, 2009.
DOI : 10.1007/978-3-642-10877-8_8

P. Flocchini, G. Prencipe, N. Santoro, and P. Widmayer, Hard Tasks for Weak Robots: The Role of Common Knowledge in Pattern Formation by Autonomous Mobile Robots, Algorithms and Computation, pp.93-102, 1999.
DOI : 10.1007/3-540-46632-0_10

G. Prencipe, On the Feasibility of Gathering by Autonomous Mobile Robots, SIROCCO 2005, pp.246-261, 2005.
DOI : 10.1007/11429647_20

I. Suzuki and M. Yamashita, Distributed Anonymous Mobile Robots: Formation of Geometric Patterns, SIAM Journal on Computing, vol.28, issue.4, pp.1347-1363, 1999.
DOI : 10.1137/S009753979628292X

I. Suzuki and M. Yamashita, Erratum: Distributed Anonymous Mobile Robots: Formation of Geometric Patterns, SIAM Journal on Computing, vol.36, issue.1, pp.279-280, 2006.
DOI : 10.1137/050631562