@article{PismaZhETF.55.412,
    title = {Decay of the free precession of nuclear spins in a solid in a rotating coordinate system under magic-angle conditions; three-spin interactions},
    author = {Mefed, A. E. and Yaroslavtsev, A. V. and Zobov, V. E. and Ponomarenko, A. V. and Popov, M. A.},
    journal = {Письма в ЖЭТФ},
    volume = {55},
    issue = {7},
    pages = {412},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19275.shtml},
}