@article{PismaZhETF.88.3,
    title = {Reaction ${e^+e^-\to\pi^+\pi^-\pi^+\pi^-}$ at energies $\sqrt{s}\leq1\,$GeV},
    author = {Achasov, N. N. and Kozhevnikov, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {88},
    issue = {1},
    pages = {3},
    year = {2008},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_28128.shtml},
}