@article{PismaZhETF.49.71,
    title = {Measurement of the proton spectrum at energies above 1 TeV by the Sokol detector on a satellite},
    author = {Grigorov, N. L.},
    journal = {Письма в ЖЭТФ},
    volume = {49},
    issue = {2},
    pages = {71},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16836.shtml},
}