@article{PismaZhETF.41.47,
    title = {The ratio of the real part to the imaginary part of the elementary amplitude for the scattering of hadrons by nuclei},
    author = {Dal'karov, O. D. and Karmanov, V. A.},
    journal = {Письма в ЖЭТФ},
    volume = {41},
    issue = {1},
    pages = {47},
    year = {1985},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21915.shtml},
}