@article{PismaZhETF.55.293,
    title = {Exactly solvable multichain quantum model},
    author = {Borovik, A. E. and Zvyagin, A. A. and Popkov, V. Yu. and Strzhemechnyi, Yu. M.},
    journal = {Письма в ЖЭТФ},
    volume = {55},
    issue = {5},
    pages = {293},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19247.shtml},
}