@article{PismaZhETF.58.614,
    title = {Spin-fluctuation spectrum, phase relaxation, and NMR of $\beta$-active $^8Li$ nuclei in LiF crystals: from the method of memory functions to cumulant expansions},
    author = {Bulgakov, M. I. and Gul'ko, A. D. and Dzheparov, F. S. and Stepanov, S. V. and Trostin, S. S.},
    journal = {Письма в ЖЭТФ},
    volume = {58},
    issue = {8},
    pages = {614},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17977.shtml},
}