@article{10_4064_am35_3_7,
     author = {Petronela Radu},
     title = {Weak solutions to the initial boundary value
 problem for a semilinear wave equation with
 damping and source terms},
     journal = {Applicationes Mathematicae},
     pages = {355--378},
     publisher = {mathdoc},
     volume = {35},
     number = {3},
     year = {2008},
     doi = {10.4064/am35-3-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am35-3-7/}
}