@article{PismaZhETF.27.644,
    title = {New method in the theory of a weakly non-ideal one-dimensional Fermi gas},
    author = {Krivnov, V. Ya. and Ovchinn'kov, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {27},
    issue = {11},
    pages = {644},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23793.shtml},
}