%0 Journal Article %A Allain, Geneviève %A Beaulieu, Anne %T High frequency periodic solutions of semilinear equations %J Comptes Rendus. Mathématique %D 2007 %P 381-384 %V 345 %N 7 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2007.07.010/ %R 10.1016/j.crma.2007.07.010 %G en %F CRMATH_2007__345_7_381_0