A new robust stability margin. - Peter M. M. Bongers (Kybernetika, 1993)

Normalized coprime factorizations for systems in generalized state-space form. - Peter M. M. Bongers; Okko H. Bosgra (IEEE Trans. Autom. Control., 1993)

A unified approach to stability robustness for uncertainty descriptions based on fractional model representations. - Raymond A. de Callafon; Paul M. J. Van den Hof; Peter M. M. Bongers (IEEE Trans. Autom. Control., 1996)