Lyapunov Exponents for Bilinear Systems: Application to the buck converter. - Carles Batlle; Imma Massana; Alicia Miralles (Int. J. Bifurc. Chaos, 2003)

Representation of a general composition of Dirac structures. - Carles Batlle; Imma Massana; Ester Simó (CDC/ECC, 2011)