@article{PismaZhETF.49.181,
    title = {Operator formalism for fermion strings on Riemann surfaces},
    author = {Semikhatov, A. M.},
    journal = {Письма в ЖЭТФ},
    volume = {49},
    issue = {4},
    pages = {181},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16871.shtml},
}