A weighted least squares algorithm for quasi-equiripple FIR and IIR digital filter design. - Yong Ching Lim; Ju-Hong Lee; C. K. Chen; Rong-Huan Yang (IEEE Trans. Signal Process., 1992)

The design of weighted minimax quadrature mirror filters. - Yong Ching Lim; Rong-Huan Yang; Soo-Ngee Koh (IEEE Trans. Signal Process., 1993)