@article{EJDE_2000__2000__a79,
     author = {Apolaya,  R.F. and Clark,  H.R. and Feitosa,  A.J.},
     title = {On a nonlinear coupled system with internal damping},
     journal = {Electronic journal of differential equations},
     year = {2000},
     volume = {2000},
     zbl = {0962.35002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a79/}
}