@article{PismaZhETF.5.454,
    title = {Concerning One Possibility of Observing Branch Points Connected with p and p' Poles},
    author = {Levintov, I. I.},
    journal = {Письма в ЖЭТФ},
    volume = {5},
    issue = {12},
    pages = {454},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25231.shtml},
}