@article{PismaZhETF.34.292,
    title = {Coulomb systems with a short-range interaction: the $\Sigma^-p$ atom and resonant levels of light nuclei},
    author = {Kudryavtsev, A. E. and Lisin, V. I. and Popov, V. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {34},
    issue = {5},
    pages = {292},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23207.shtml},
}