@article{PismaZhETF.21.88,
    title = {Concerning one mechanism of "cumulative" meson production},
    author = {Kondratyuk, L. A. and Kopeliovich, V. B.},
    journal = {Письма в ЖЭТФ},
    volume = {21},
    issue = {1},
    pages = {88},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22239.shtml},
}