@article{PismaZhETF.89.170,
    title = {$q$-breathers in discrete nonlinear schr\"{o}dinger arrays with weak disorder},
    author = {Ivanchenko, M. I.},
    journal = {Письма в ЖЭТФ},
    volume = {89},
    issue = {3},
    pages = {170},
    year = {2009},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_28427.shtml},
}