%0 Journal Article %A Bastos, Waldemar D. %A Raposo, Carlos A. %T Transmission problem for waves with frictional damping %J Electronic Journal of Differential Equations %D 2007 %V 2007 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a202/ %G en %F EJDE_2007__2007__a202