@article{PismaZhETF.42.169,
    title = {Effect of Bose condensation on inelastic processes in gases},
    author = {Kagan, Yu. and Svistunov, B. V. and Shlyapnikov, G. V.},
    journal = {Письма в ЖЭТФ},
    volume = {42},
    issue = {4},
    pages = {169},
    year = {1985},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21579.shtml},
}