@article{PismaZhETF.17.266,
    title = {Energy  Spectrum of One  Random One-dimensional   System},
    author = {Bychkov, Yu. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {17},
    issue = {5},
    pages = {266},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23556.shtml},
}