@article{PismaZhETF.33.426,
    title = {Measurement of the beta spectrum of $^{235}U$ fission fragments and the problem of reactor $\tilde{\nu}_e$ spectra},
    author = {Borovoi, A. A. and Kopeikin, V. I. and Mikaelyan, L. A.},
    journal = {Письма в ЖЭТФ},
    volume = {33},
    issue = {8},
    pages = {426},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23047.shtml},
}