@article{EJDE_2012__2012__a58,
     author = {Korpusov,  Maxim Olegovich},
     title = {Non-existence of global solutions to generalized dissipative {Klein-Gordon} equations with positive energy},
     journal = {Electronic journal of differential equations},
     year = {2012},
     volume = {2012},
     zbl = {1254.35030},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a58/}
}