Feedback canonical forms of singular systems. - Jean Jacques Loiseau; Kadri Özçaldiran; Michel Malabre; Nicos Karcanias (Kybernetika, 1991)

Structural properties of singular systems. - Kadri Özçaldiran; Latif Haliloclu (Kybernetika, 1993)

A complete classification of minimal realizations of nonsingular and strictly proper transfers under similarity transformations. - Kadri Özçaldiran; Vasfi Eldem (Autom., 1997)