@article{PismaZhETF.49.392,
    title = {Time relaxation of the magnetization in a single-domain $TmBa_2Cu_3O_{7-\delta}$ single crystal},
    author = {Gippius, A. A. and Moshchalkov, V. V. and Ho Hiu Nyan,  and Voronkova, V. I. and Yanovskii, V. K.},
    journal = {Письма в ЖЭТФ},
    volume = {49},
    issue = {7},
    pages = {392},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16934.shtml},
}