Implicit quasilinear differential systems: A geometrical approach. Muñoz-Lecanda, Miguel C.; Román-Roy, N. — 1999 Electronic Journal of Differential Equations (EJDE) [electronic only]
Mathematical foundations of geometric quantization. Arturo Echeverría-Enriquez; Miguel C. Muñoz-Lecanda; Narciso Román-Roy; Carles Victoria-Monge — 1998 Extracta Mathematicae