@article{PismaZhETF.73.287,
    title = {The period map for  pulse propagation in nonlinear optical DM fibres},
    author = {Mikhailov, A. V. and Novokshenov, V. Yu.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {73},
    issue = {5},
    pages = {287},
    year = {2001},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_9707.shtml},
}