Emilio Freire, Estanislao Gamero, Alejandro J. RodrÃguez-Luis, Antonio Algaba. A Note on the Triple-Zero Linear Degeneracy: Normal Forms, Dynamical and bifurcation Behaviors of an Unfolding. I. J. Bifurcation and Chaos, 12(12):2799-2820, 2002. [doi]
Abstract is missing.