@article{CRMATH_2007__345_7_381_0,
     author = {Genevi\`eve Allain and Anne Beaulieu},
     title = {High frequency periodic solutions of semilinear equations},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {381--384},
     publisher = {Elsevier},
     volume = {345},
     number = {7},
     year = {2007},
     doi = {10.1016/j.crma.2007.07.010},
     language = {en},
}