@article{PismaZhETF.56.148,
    title = {Experimental study of the spin-wave spectrum of a $Bi_2CuO_4$ single crystal by the inelastic neutron scattering method},
    author = {Petrakovskii, G. A. and Sablina, K. A. and Val'kov, V. V. and Fedoseev, B. V. and Furrer, A. and Fischer, P. and Roessli, B.},
    journal = {Письма в ЖЭТФ},
    volume = {56},
    issue = {3},
    pages = {148},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19399.shtml},
}