@article{PismaZhETF.21.454,
    title = {Quark structure of resonances as a consequence of  spontaneous vacuum transitions in dual models},
    author = {Volkov, D. V. and Zheltukhin, A. A. and Pashnev, A. I.},
    journal = {Письма в ЖЭТФ},
    volume = {21},
    issue = {7},
    pages = {454},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22457.shtml},
}