@article{EJDE_2011__2011__a80,
     author = {Nicaise,  Serge and Pignotti,  Cristina},
     title = {Interior feedback stabilization of wave equations with time dependent delay},
     journal = {Electronic journal of differential equations},
     year = {2011},
     volume = {2011},
     zbl = {1215.35098},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a80/}
}