@article{PismaZhETF.24.81,
    title = {Metal-ion transition lasers with transverse HF excitation},
    author = {Latush, E. L. and Mikhalevskii, V. S. and Sem, M. F. and Tolmachev, G. N. and Khasilov, V. Ya.},
    journal = {Письма в ЖЭТФ},
    volume = {24},
    issue = {2},
    pages = {81},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27660.shtml},
}