@article{PismaZhETF.49.606,
    title = {Magnetic resonance and relaxation in $GdBa_2Cu_3O$, single crystals below $T_c$},
    author = {Badalyan, A. G. and Baranov, P. G. and Aleksandrov, V. I. and Borik, M. A. and Osiko, V. V.},
    journal = {Письма в ЖЭТФ},
    volume = {49},
    issue = {11},
    pages = {606},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16998.shtml},
}