Pinto PR, Baptista M., Labouriau IS. Density of first Poincaré returns, periodic orbits, and Kolmogorov-Sinai entropy. Commun. Nonlinear Sci. Numer. Simul.. 2011;16:863-875.Edit

Labouriau IS, Pinto PR. The geometry of Hopf and saddle-node bifurcations for waves of Hodgkin-Huxley type. In: Real and complex singularities. Vol 380. Cambridge Univ. Press, Cambridge; 2010. 2. p. 229-245p. (London Math. Soc. Lecture Note Ser.; vol 380).Edit

Labouriau IS, Pinto PR. The geometry of Hopf and saddle-node bifurcations for waves of Hodgkin-Huxley type. In: Real and complex singularities. Vol 380. Cambridge Univ. Press, Cambridge; 2010. 2. p. 229-245p. Edit