@article{PismaZhETF.27.685,
    title = {Grating induces in ruby by interference of atomic states},
    author = {Shtyrkov, E. I. and Lobkov, V. S. and Yarmukhametov, N. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {27},
    issue = {12},
    pages = {685},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23803.shtml},
}