@article{PismaZhETF.54.464,
    title = {Echo in the effective field of a multipulse NQR train},
    author = {Ermakov, V. L. and Kurbanov, R. Kh. and Osokin, D. Ya. and Shagalov, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {54},
    issue = {8},
    pages = {464},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18930.shtml},
}