FIR filters and recursive forms for discrete-time state-space models. - Oh-Kyu Kwon; Wook Hyun Kwon; Kyu Seung Lee (Autom., 1989)

Fast algorithms for optimal FIR filter and smoother of discrete-time state-space models. - Wook Hyun Kwon; Kyu Seung Lee; Joon Hwa Lee (Autom., 1994)