%0 Journal Article %A Muñoz-Lecanda, Miguel C. %A Román-Roy, N. %T Implicit quasilinear differential systems: A geometrical approach %J Electronic Journal of Differential Equations %D 1999 %V 1999 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a50/ %G en %F EJDE_1999__1999__a50