@article{PismaZhETF.16.518,
    title = {Low-energy Spectrum of $\pi\pi$ Masses in the Reaction $\pi^-p\to \pi^+\pi^-n$ at 400 MeV},
    author = {Makarov, M. M. and Gasilova, N. S. and Nelyubin, V. V. and Sarantsev, V. V. and Tkach, L. N.},
    journal = {Письма в ЖЭТФ},
    volume = {16},
    issue = {9},
    pages = {518},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26880.shtml},
}