@article{PismaZhETF.45.490,
    title = {Nonlinear optical spectroscopy of electronic states in the yttrium iron garnet $Y_3Fe_6_O_{12}$},
    author = {Shablaev, S. I. and Pisarev, R. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {45},
    issue = {10},
    pages = {490},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18835.shtml},
}