On the periodic orbit bifurcating from a zero Hopf bifurcation in systems with two slow and one fast variables. - Isaac A. García; Jaume Llibre; Susanna Maza (Appl. Math. Comput., 2014)

Non-autonomous inverse Jacobi multipliers and periodic orbits of planar vector fields. - Isaac A. García; Susanna Maza (Commun. Nonlinear Sci. Numer. Simul., 2024)