@article{PismaZhETF.47.481,
    title = {Representation of the propagator of a Dirac particle in an external gravitational field as a sum over paths},
    author = {Marshakov, A. V. and Fainberg, V. Ya.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {47},
    issue = {10},
    pages = {481},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16568.shtml},
}