@article{PismaZhETF.16.105,
    title = {Calculation of  the Cross Section of the Reaction p + A $\to \pi^+$ (A + 1) in the Single-particle Model},
    author = {Amus'ya, M. Ya. and Gridnev, A. B.},
    journal = {Письма в ЖЭТФ},
    volume = {16},
    issue = {2},
    pages = {105},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26742.shtml},
}