Duality Theorems on Control and Observation of Discrete-Time Infinite-Dimensional Systems. - Andrzej W. Olbrot; Andrzej Sosnowski (Math. Syst. Theory, 1981)

The edge theorem and graphical tests for robust stability of neutral time-delay systems. - Minyue Fu 001; Andrzej W. Olbrot; Michael P. Polis (Autom., 1991)

Robust stabilization: some extensions of the gain margin maximization problem. - Andrzej W. Olbrot; Marek Nikodem (IEEE Trans. Autom. Control., 1994)

Robust stabilization and robust performance using model reference control and modeling error compensation. - Jing Sun 003; Andrzej W. Olbrot; Michael P. Polis (IEEE Trans. Autom. Control., 1994)

Sufficient stability condition for a sampled-data system with digital controller. - Jerzy Tokarzewski; Andrzej W. Olbrot (IEEE Trans. Autom. Control., 1995)

Arbitrary robust eigenvalue placement by a static-state feedback. - Andrzej W. Olbrot (IEEE Trans. Autom. Control., 1996)