@article{PismaZhETF.17.201,
    title = {Dispersion  of Nonlinear Susceptibility  of $TeO_2$   Single  Crystal   in the  Optical   Region},
    author = {Belyaev, L. M. and Gil'barg, A. V. and Dorozhkin, L. M. and Kizelev A.., V. and Koval'chuk, V. M. and Smirnov, S. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {17},
    issue = {4},
    pages = {201},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23517.shtml},
}