@article{PismaZhETF.23.271,
    title = {Parametric nuclear spin echo},
    author = {Bun'kov, Yu. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {23},
    issue = {5},
    pages = {271},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27480.shtml},
}