@article{PismaZhETF.46.411,
    title = {(Plane wave)-point diffractive focusing of x radiation by a biaxially curved crystal},
    author = {Gabrielyan, K. T. and Piskunov, D. I. and Chukhovskii, F. N. and Demirchyan, G. O.},
    journal = {Письма в ЖЭТФ},
    volume = {46},
    issue = {10},
    pages = {411},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18629.shtml},
}