Numerical solution of the discrete-time periodic Riccati equation. - J. J. Hench; Alan J. Laub (IEEE Trans. Autom. Control., 1994)

On damped algebraic Riccati equations. - Chunyang He; J. J. Hench; Volker Mehrmann (IEEE Trans. Autom. Control., 1998)

Dampening controllers via a Riccati equation approach. - J. J. Hench; Chunyang He; Vladimír Kucera; Volker Mehrmann (IEEE Trans. Autom. Control., 1998)