Some new results in state space decoupling of multivariable systems. I. A link between geometric approach and matrix methods Dimitr P. Filev — 1982 Kybernetika
Some new results in state space decoupling of multivariable systems. II. Extensions to decoupling of systems with D ≠ 0 and output feedback decoupling Dimitr P. Filev — 1982 Kybernetika