@article{AIHPC_2007__24_4_539_0, author = {Liu, Yue and Ohta, Masahito and Todorova, Grozdena}, title = {Strong instability of solitary waves for nonlinear {Klein-Gordon} equations and generalized {Boussinesq} equations}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, pages = {539--548}, publisher = {Elsevier}, volume = {24}, number = {4}, year = {2007}, doi = {10.1016/j.anihpc.2006.03.005}, zbl = {1120.35013}, language = {en}, url = {http://www.numdam.org/articles/10.1016/j.anihpc.2006.03.005/} }