@article{PismaZhETF.55.141,
    title = {Phase diagram of the compounds $Ln_{2-x}Ce_xCuO_4$},
    author = {Zaitsev, R. O.},
    journal = {Письма в ЖЭТФ},
    volume = {55},
    issue = {2},
    pages = {141},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19206.shtml},
}