@article{PismaZhETF.22.117,
    title = {Feasibility of observing effects of order $K^+\to \pi^+l^+l^-$ decays},
    author = {Shabalin, E. P.},
    journal = {Письма в ЖЭТФ},
    volume = {22},
    issue = {2},
    pages = {117},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23272.shtml},
}