%0 Journal Article %A Liu, Yue %A Ohta, Masahito %A Todorova, Grozdena %T Strong instability of solitary waves for nonlinear Klein-Gordon equations and generalized Boussinesq equations %J Annales de l'I.H.P. Analyse non linéaire %D 2007 %P 539-548 %V 24 %N 4 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.anihpc.2006.03.005/ %R 10.1016/j.anihpc.2006.03.005 %G en %F AIHPC_2007__24_4_539_0