George F. Fragulis
- Minimal Realizations of the Inverse of a Polynomial Matrix using Finite and Infinite Jordan Pairs. KYBERNETIKA 30 (1994) n.6, 607-616.
- Evaluation of the Reachability Subspace of General Form Polynomial Matrix Descriptions (PMDs). KYBERNETIKA 30 (1994) n.6, 617-628.
- Evaluation of the Impulsive Solution Space of Linear Multivariable Homogeneous Implicit Systems. KYBERNETIKA 30 (1994) n.6, 629-638.