%0 Journal Article %A Emmanuel Risler %T Travelling waves and dispersion relation in the spatial unfolding of a periodic orbit %J Comptes Rendus. Mathématique %D 2002 %P 833-838 %V 334 %N 9 %I Elsevier %R 10.1016/S1631-073X(02)02363-4 %G en %F CRMATH_2002__334_9_833_0