Parameterization of frequency weighting for a two-stage linear quadratic regulator based design. - Hal S. Tharp; Juraj V. Medanic; William R. Perkins (Autom., 1988)

Design of disturbance attenuating controllers: A Riccati-based FH norm optimization algorithm. - Robert Alex Paz; Juraj V. Medanic (Autom., 1990)