| [35] Tian Yu-Ping, Cao Ke-Cai (2007). Time-varying linear controllers for exponential tracking of nonholonomic systems in chained form, International Journal of Robust and Nonlinear Control , Vol.17, 631-647. (SCI,EI) [34] Li Shihua, Tian Yu-Ping (2007).Finite-time stability of cascaded time-varying systems, International Journal of Control , Vol. 80(4), 646 [35] Tian Yu-Ping, Cao Ke-Cai (2007). Time-varying linear controllers for exponential tracking of nonholonomic systems in chained form, International Journal of Robust and Nonlinear Control , Vol.17, 631-647. (SCI,EI) [34] Li Shihua, Tian Yu-Ping (2007).Finite-time stability of cascaded time-varying systems, International Journal of Control , Vol. 80(4), 646 |