%0 Journal Article
%A Lu, Nan
%T Small amplitude periodic solutions of Klein–Gordon equations
%J Annales de l'I.H.P. Analyse non linéaire
%D 2017
%P 1255-1272
%V 34
%N 5
%I Elsevier
%U http://www.numdam.org/articles/10.1016/j.anihpc.2016.10.002/
%R 10.1016/j.anihpc.2016.10.002
%G en
%F AIHPC_2017__34_5_1255_0