Antonis-Ioannis G. Vardulakis, Nicholas P. Karampetakis, Efstathios N. Antoniou, Evangelia Tictopoulou. On the Realization Theory of Polynomial Matrices and the Algebraic Structure of Pure Generalized State Space Systems. Applied Mathematics and Computer Science, 19(1):77-88, 2009. [doi]
Abstract is missing.