@article{PismaZhETF.46.340,
    title = {The fermion string and a universal modulus space},
    author = {Shvarts, A. S.},
    journal = {Письма в ЖЭТФ},
    volume = {46},
    issue = {9},
    pages = {340},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18604.shtml},
}