The regulator problem with robust stability. - M. K. Külmiz Cevik; Johannes M. Schumacher (Autom., 1995)

Boundary Nevanlinna Pick interpolation for maximum power transfer. - M. K. Külmiz Cevik (ICECS, 1998)

From Lipschitzian to non-Lipschitzian characteristics: continuity of behaviors. - M. Kanat Camlibel; M. K. Külmiz Cevik; W. P. M. H. Heemels; Johannes M. Schumacher (CDC, 2000)

The robust regulation problem with robust stability: a subspace-valued function approach. - M. K. Külmiz Cevik; Johannes M. Schumacher (IEEE Trans. Autom. Control., 2000)