@article{PismaZhETF.17.501,
    title = {Increasing the Optical Strength of a Liquid},
    author = {Agranat, B. B. and Novikov, N. P. and Perminov, V. P. and Yampol'skii, P. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {17},
    issue = {9},
    pages = {501},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23606.shtml},
}