@article{PismaZhETF.76.771,
    title = {Confining string formed by $P$-vortices in the indirect $Z(2)$ projection of $SU(2)$ lattice gauge theory},
    author = {Bornyakov, V. G. and Kovalenko, A. V. and Polikarpov, M. I. and Sigaev, D. A.},
    journal = {Письма в ЖЭТФ},
    volume = {76},
    issue = {11},
    pages = {771},
    year = {2002},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_9507.shtml},
}