1. General orthonormal bases for robust identification in H∞;Akcay,2002
2. On the construction of orthonormal basis functions for system identification;Bodin,1990
3. On worst-case approximation of feasible system sets via orthononnal basis functions;Casini,2001
4. Laguerre shift identification of a pressurized process;Fischer,1998
5. Approximate system identification using system based orthonormal functions;Heuberger,1990