@article{PismaZhETF.25.83,
    title = {Correlation functions in the one-dimensional Hubbard model},
    author = {Finkel'shtem, A. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {25},
    issue = {2},
    pages = {83},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21045.shtml},
}