1. Polynomial arrays and their application to stability test of discrete systems;Hu,1991
2. 2-D filters tests using polynomial array for F(z1, z2) on \xvz1\xv = 1;Hu;IEEE Trans. Circuits Syst.,1991
3. Polynomial arrays and their application to stability test of discrete systems;Hu,1993
4. X. Hu, “The polynomial array and n-D filter stability test”, IEEE Trans. Circuits Syst., to be published.
5. X. Hu and E.L. Jury, “On two-dimensional filters stability test”, accepted for publication, IEEE Trans. Circuits Syst.