@article{PismaZhETF.52.1057,
    title = {Noncollinear magnetic structure in the low-temperature tetragonal phase of $La_2CoO_4$},
    author = {Krotov, S. S.},
    journal = {Письма в ЖЭТФ},
    volume = {52},
    issue = {8},
    pages = {1057},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17535.shtml},
}