@article{PismaZhETF.100.397,
    title = {Breaks in gamma-ray spectra of distant blazars and transparency\\ of the Universe \footnotemark},
    author = {Rubtsov, G. I. and Troitsky, S. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {100},
    issue = {6},
    pages = {397},
    year = {2014},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_30915.shtml},
}