@incollection{JEDP_2008____A5_0,
     author = {Bona, J. and Lannes, D. and Saut, J.-C.},
     title = {Asymptotic behaviors of internal waves},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {5},
     pages = {1--17},
     publisher = {Groupement de recherche 2434 du CNRS},
     year = {2008},
     doi = {10.5802/jedp.49},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/jedp.49/}
}