1.
Awane, Azzouz, Belam, Mohamed, Fikri, Sadik, Lahmouz, Mohammed, y Naanani, Bouchra. 2002. Systemes hamiltoniens k-symplectiques. Revista Matemática Complutense 15, 1, 147–167. DOI:https://doi.org/10.5209/rev_REMA.2002.v15.n1.16955