Bounds of parameter uncertainties for robust stability of linear uncertain systems. - Gerhard Schreier; José Ragot; Paul Martin Frank; Gérard Léon Gissinger (Int. J. Syst. Sci., 1998)

Observer design for a class of nonlinear systems with stability discussion: Application to fault diagnosis. - Gerhard Schreier; Frédéric Kratz; Paul M. Frank (ECC, 1999)

On nonlinear equivalence and backstepping observer. - Jesús de León 001; Ibrahim Souleiman; Alain Glumineau; Gerhard Schreier (Kybernetika, 2001)

Direct transformation of nonlinear systems into state affine MISO form for observer design. - Ibrahim Souleiman; Alain Glumineau; Gerhard Schreier (IEEE Trans. Autom. Control., 2003)