1. Sufficient conditions for global robust stabilization via measurement feedback for some classes of nonlinear systems;Battilotti,1994
2. Design of ‘softer’ robust nonlinear control laws;Freeman;Automatica,1993
3. Robust integral control for a class of uncertain nonlinear systems;Freeman,1995
4. Inverse optimality in robust stabilization;Freeman;SIAM J. Control Optim.,1996
5. Stabilization on zero-error manifolds and the nonlinear servomechanism problem;Huang,1990