1. R. Olfati-saber, J. A. Fax, and R. M. Murray, “Consensus and cooperation in networked multi-agent systems,” Proc. of the IEEE, pp. 215–233, 2007.
2. W. Ren, R. W. Beard, and E. M. Atkins, “A survey of consensus problems in multi-agent coordination,” Proc. of the American Control Conference, Portland, OR, pp. 1859–1864, June 8–10, 2005.
3. J. Guerrero, G. Romero, and R. Lozano, “Robust consensus tracking of leader-based multi-agent systems,” Proc. of American Control Conference, Baltimore, June 30–July 2, pp. 6299–6305, 2010.
4. R. Lozano, M. W. Spong, J. A. Guerrero, and N. Chopra, “Controllability and observability of leaderbased multi-agent systems,” Proc. of the 47th IEEE Conference on Decision and Control, Cancun, Mexico, pp. 3713–3718, December 9–11, 2008.
5. T.-H. Kim and S. Hara, “Stabilization of multiagent dynamical systems for cyclic pursuit behavior,” Proc. of the 47th IEEE Conference on Decision and Control, Cancun, Mexico, pp. 4370–4375, December 9–11, 2008.