1. Stable adaptive observers for nonlinear time-varying systems;Bastin;IEEE Trans. Automat. Control,1988
2. G. Bastin, J. Lévine, L. Praly, Exact state observers for uncertain nonlinear systems: preliminary results and examples, in: IFAC Proceedings, Nonlinear Control Systems Design Symposium, Bordeaux, France, 1992, pp. 248–250.
3. G. Besançon, Towards new adaptive observers for nonlinear systems, in: Symposium on Adaptive Systems Theory, St Petersburg, Russia, 1999, pp. 9–12.
4. G. Besançon, G. Bornard, On charactering classes of observer forms for nonlinear systems, in: Proceedings of the Fourth European Control Conference, Brussels, Belgium, 1997.
5. Symbolic computation in nonlinear systems analysis and control: the example of bilinearization;Besançon;Mathematics and Computers in Simulation,1997