@article{PismaZhETF.6.777,
    title = {Amplitude Singularities in Two-particle Nuclear Reactions},
    author = {Dubovoi, E. I.},
    journal = {Письма в ЖЭТФ},
    volume = {6},
    issue = {7},
    pages = {777},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25487.shtml},
}