%0 Journal Article %A Deguchi, Hideo %T A linear first-order hyperbolic equation with discontinuous coefficient: distributional shadows and propagation of singularities %J Electronic Journal of Differential Equations %D 2011 %V 2011 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a5/ %G en %F EJDE_2011__2011__a5