@article{PismaZhETF.90.393,
    title = {Photoionization of Onion-type atoms},
    author = {Amusia, M. Ya. and Chernysheva, L. V. and Liverts, E. Z.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {90},
    issue = {5},
    pages = {393},
    year = {2009},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_28601.shtml},
}