@article{EJDE_2007__2007__a2,
     author = {Bastos, Waldemar D. and Raposo, Carlos A.},
     title = {Transmission problem for waves with frictional damping},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2007},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a2/}
}