@article{PismaZhETF.39.285,
    title = {The reaction $e^+e^-\eta \pi^+\pi^-$},
    author = {Achasov, N. N. and Karnakov, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {39},
    issue = {6},
    pages = {285},
    year = {1984},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19485.shtml},
}