@article{PismaZhETF.60.392,
    title = {Is there a dramatic suppression of $n \vec n$i transitions in a medium?},
    author = {Nazaruk, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {60},
    issue = {6},
    pages = {392},
    year = {1994},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20361.shtml},
}