@article{PismaZhETF.51.188,
    title = {Canonical quantization of relativistic particle},
    author = {Gitman, D. M. and Tyutin, I. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {51},
    issue = {4},
    pages = {188},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17222.shtml},
}