1. R. W. Brockett, “Asymptotic stability and feedback stabilization,” in: R. W. Brockett, R. S. Millman, and H. J. Sussmann (Eds.), Differential Geometric Control Theory, Birkhauser, Boston, pp. 181–208, 1983.
2. R. M. Murray and S. S. Sastry, “Nonholonomic motion planning: Steering using sinusoids,” IEEE Trans. Automat. Control., vol. 38, no. 5, pp. 700–716, May 1993.
3. Y. P. Tian and S. Li, “Exponential stabilization of nonholonomic dynamic systems by smooth timevarying control,” Automatica, vol. 38, no. 7, pp. 1139–1146, 2002.
4. A. Teel, R. Murry, and G. Walsh, “Nonholonomic control systems: from steering to stabilization with sinusoids,” Proc. of IEEE Conf. Decision Control, pp. 1603–1609, 1992.
5. A. Astolfi, “Discontinuous control of nonholonomic systems,” Syst. Control Lett., vol. 27, no. 1, pp. 37–45, 1996.