@article{PismaZhETF.80.819,
    title = {Strong spin triplet contribution of the first removal state in the insulating regime of Bi$_2$Sr$_2$Ca$_{1-x}$Y$_x$Cu$_2$O$_{8+\delta}$},
    author = {Janovitz, C. and Seidel, U. and Unger, R. -S. T. and Krapf, A. and Manzke, R. and Gavrichkov, V. and Ovchinnikov, S.},
    journal = {Письма в ЖЭТФ},
    volume = {80},
    issue = {11},
    pages = {819},
    year = {2004},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_8707.shtml},
}