@article{PismaZhETF.6.521,
    title = {Multiple Poles and Resonance Splitting},
    author = {Terent'ev, M. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {6},
    issue = {2},
    pages = {521},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25253.shtml},
}