Analytical Approximation of heteroclinic bifurcation in a 1: 4 Resonance. - Abdelhak Fahsi; Mohamed Belhaq (Int. J. Bifurc. Chaos, 2012)

On the Heteroclinic Connections in the 1: 3 Resonance Problem. - Bo-Wei Qin; Kwok-Wai Chung; Abdelhak Fahsi; Mohamed Belhaq (Int. J. Bifurc. Chaos, 2016)