@article{PismaZhETF.27.463,
    title = {Parametric effect in nuclear spin echo in $FeBO_3$},
    author = {Petrov, M. P. and Korneev, V. R.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {27},
    issue = {8},
    pages = {463},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23742.shtml},
}