@article{EJDE_2006__2006__a138,
     author = {Fan,  Jishan and Wu,  Hongwei},
     title = {Exponential decay for the semilinear wave equation with source terms},
     journal = {Electronic journal of differential equations},
     year = {2006},
     volume = {2006},
     zbl = {1112.35024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a138/}
}