@article{CRMECA_2009__337_9-10_633_0,
     author = {G\'erard Iooss and Pavel Plotnikov},
     title = {Existence of a directional {Stokes} drift in asymmetrical three-dimensional travelling gravity waves},
     journal = {Comptes Rendus. M\'ecanique},
     pages = {633--638},
     publisher = {Elsevier},
     volume = {337},
     number = {9-10},
     year = {2009},
     doi = {10.1016/j.crme.2009.09.001},
     language = {en},
}