24 crossing limit cycles in only one nest for piecewise cubic systems. - Luiz F. S. Gouveia; Joan Torregrosa (Appl. Math. Lett., 2020)

Crossing limit cycles in piecewise smooth Kolmogorov systems: An application to Palomba's model. - Yagor Romano Carvalho; Luiz F. S. Gouveia; Oleg Makarenkov (Commun. Nonlinear Sci. Numer. Simul., 2025)