@article{PismaZhETF.57.148,
    title = {The  coherent   resonances  in   spectra of $e^+-e^-$  pairs created by hard $\gamma-quanta$ in aligned  single  crystals},
    author = {Kononets, Yu. V. and Tupitsyn, I. S.},
    journal = {Письма в ЖЭТФ},
    volume = {57},
    issue = {3},
    pages = {148},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4603.shtml},
}