TY - JOUR AU - Muñoz-Lecanda, Miguel C. AU - Román-Roy, N. TI - Implicit quasilinear differential systems: A geometrical approach JO - Electronic Journal of Differential Equations PY - 1999 VL - 1999 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a50/ LA - en ID - EJDE_1999__1999__a50 ER -