A biquadratic System of Two Order One difference equations: Periods, Chaotic Behavior of the associated Dynamical System. - Guy Bastien; Marc Rogalski (Int. J. Bifurc. Chaos, 2012)

On periodic solutions of 2-periodic Lyness' equations. - Guy Bastien; Víctor Mañosa; Marc Rogalski (Int. J. Bifurc. Chaos, 2013)