@article{PismaZhETF.58.56,
    title = {Note on the problem of interacting 1-dimensional hubbaid chains},
    author = {Anderson, P. W.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {58},
    issue = {1},
    pages = {56},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4656.shtml},
}