@article{PismaZhETF.92.405,
    title = {$\boldsymbol{q}$-Breathers and thermalization in acoustic chains with arbitrary nonlinearity index},
    author = {Ivanchenko, M. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {92},
    issue = {6},
    pages = {405},
    year = {2010},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_28991.shtml},
}