@article{PismaZhETF.18.187,
    title = {0bservation of $A_1$ meson},
    author = {Kafiev, Yu. N. and Serebryakov, V. V.},
    journal = {Письма в ЖЭТФ},
    volume = {18},
    issue = {3},
    pages = {187},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27634.shtml},
}