@article{PismaZhETF.14.507,
    title = {Observation of Variable Circular Polarization in the Optical Emission of the X-ray Source Sco X - 1},
    author = {Gnedin, Yu. N. and Shulov, O. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {14},
    issue = {9},
    pages = {507},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24948.shtml},
}