@article{PismaZhETF.44.496,
    title = {Ratio of the real and imaginary parts of the $\bar{p}p$ scattering amplitude near the $\bar{n}n$ threshold},
    author = {Dal'karov, O. D. and Protasov, K. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {44},
    issue = {11},
    pages = {496},
    year = {1986},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21200.shtml},
}