@article{PismaZhETF.7.477,
    title = {Direct Determination of the Structure Formed by Crystal Magnetic Fields at Nuclei Having Mossbauer Isotopes},
    author = {Belyakov, V. A. and Aivazyan, Yu. M.},
    journal = {Письма в ЖЭТФ},
    volume = {7},
    issue = {12},
    pages = {477},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25823.shtml},
}