Bingo Wing-Kuen Ling, Charlotte Yuk-Fan Ho, Raymond Shing-Keung Leung, Peter Kwong-Shun Tam. Oscillation and convergence behaviours exhibited in an 'unstable' second-order digital filter with saturation-type non-linearity. I. J. Circuit Theory and Applications, 32(2):57-64, 2004. [doi]
Abstract is missing.