@article{PismaZhETF.52.955,
    title = {Observation of magnetic resonance in $Pr_2CuO_4$ and $Nd_2CuO_4$},
    author = {Eremenko, V. V. and Zvyagin, S. A. and Pishko, V. V. and Tsapenko, V. V. and Barilo, S. N. and Zhigunov, D. I.},
    journal = {Письма в ЖЭТФ},
    volume = {52},
    issue = {6},
    pages = {955},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17507.shtml},
}