On invariant asymptotic observers, Proceedings of the 41st IEEE Conference on Decision and Control, 2002., pp.1479-1484, 2002. ,
DOI : 10.1109/CDC.2002.1184728
An intrinsic observer for a class of lagrangian systems, IEEE Transactions on Automatic Control, vol.48, issue.6, pp.936-945, 2003. ,
DOI : 10.1109/TAC.2003.812778
Nonholonomic mechanical systems with symmetry, Archive for Rational Mechanics and Analysis, vol.5, issue.Suppl. 2, pp.21-99, 1996. ,
DOI : 10.1007/BF02199365
Representations of Symmetric Linear Dynamical Systems, SIAM Journal on Control and Optimization, vol.31, issue.5, pp.1267-1293, 1993. ,
DOI : 10.1137/0331060
The structure of nonlinear control systems possessing symmetries, IEEE Transactions on Automatic Control, vol.30, issue.3, pp.248-258, 1985. ,
DOI : 10.1109/TAC.1985.1103927
Symmetries of nonlinear control systems and their symbols, Canadian Math. Conf. Proceed, pp.183-198, 1998. ,
Optimal Control for Holonomic and Nonholonomic Mechanical Systems with Symmetry and Lagrangian Reduction, SIAM Journal on Control and Optimization, vol.35, issue.3, pp.901-929, 1997. ,
DOI : 10.1137/S0363012995290367
Invariant tracking. ESAIM : Control, Optimisation and Calculus of Variations, pp.1-13, 2004. ,
Equivalence, Invariants and Symmetry, 1995. ,
DOI : 10.1017/CBO9780511609565
Nonlinearizable single-input control systems do not admit stationary symmetries, Systems & Control Letters, vol.46, issue.1, pp.1-16, 2002. ,
DOI : 10.1016/S0167-6911(01)00197-9