@article{PismaZhETF.96.307,
    title = {Asymptotics and zeros of the imaginary part of the elastic scattering amplitude},
    author = {Dremin, I. M.},
    journal = {Письма в ЖЭТФ},
    volume = {96},
    issue = {5},
    pages = {307},
    year = {2012},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_29920.shtml},
    note = {[JETP Letters 96, 277 (2012)]}
}