@article{PismaZhETF.28.32,
    title = {Unitary sum rules and collision times in strong overlap of resonance levels},
    author = {Lyuboshitz, V. L.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {28},
    issue = {1},
    pages = {32},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23819.shtml},
}