1. On the existence of a Kazantzis- Kravaris/Luenberger observer;Andrieu;SIAM J Contr Optim,2006
2. A framework for nonlinear sampleddata observer design via approximate discrete- time models and emulation;Arcak;Automatica,2004
3. GeometricalMethods in the Theory of Ordinary Differential Equations;Arnold,1983
4. Immersion and invariance: A new tool for stabilization and adaptive control of nonlinear systems;Astolfi;IEEE Trans Autom Contr,2003
5. Global complete observability and output-to-state stability imply the existence of a globally convergent observer;Astolfi,2003