@article{PismaZhETF.25.527,
    title = {Photoionization of helium from the excited state $4p^1P_1$},
    author = {Belik, V. P. and Bobashev, S. V. and Shmaenok, L. A.},
    journal = {Письма в ЖЭТФ},
    volume = {25},
    issue = {11},
    pages = {527},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21478.shtml},
}