@article{PismaZhETF.6.604,
    title = {Ninth Pseudoscalar Meson in Broken $SU_W(6)$ Symmetry},
    author = {Zaslavskii, A. N. and Ogievetskii, V. I. and Tybor, V.},
    journal = {Письма в ЖЭТФ},
    volume = {6},
    issue = {4},
    pages = {604},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25343.shtml},
}