@article{PismaZhETF.112.851,
    title = {Предметный указатель томов 111–112 за 2020 г.},
    author = {},
    journal = {Письма в ЖЭТФ},
    volume = {112},
    issue = {12},
    pages = {851},
    year = {2020},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_34416.shtml},
}