Closed-Form Design of Maxflat R-Regular IIR Mth-Band Filters using Blockwise Waveform Moments. - Xi Zhang; Dong Fang Ge (DSP, 2007)

Hilbert Transform Pairs of Orthonormal Symmetric Wavelet Bases using Allpass Filters. - Xi Zhang; Dong Fang Ge (ICIP (1), 2007)