@article{PismaZhETF.3.118,
    title = {On a Possible Method of Verifying OPT Invariance in pp Scattering},
    author = {Bilen'kii, S. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {3},
    issue = {3},
    pages = {118},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24702.shtml},
}