@article{PismaZhETF.94.921,
    title = {Hamiltonian form and solitary waves of the spatial Dysthe equations},
    author = {Fedele, F. and Dutykh, D.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {94},
    issue = {12},
    pages = {921},
    year = {2011},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_29602.shtml},
}