@article{CRMATH_2004__338_8_661_0,
     author = {Sire, Yannick and James, Guillaume},
     title = {Travelling breathers in {Klein{\textendash}Gordon} chains},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {661--666},
     publisher = {Elsevier},
     volume = {338},
     number = {8},
     year = {2004},
     doi = {10.1016/j.crma.2004.01.031},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2004.01.031/}
}