@article{PismaZhETF.86.643,
    title = {On coincidence of Alday-Maldacena-regularized $\sigma$-model and Nambu-Goto areas of minimal surfaces},
    author = {Popolitov, A.},
    journal = {Письма в ЖЭТФ},
    volume = {86},
    issue = {9},
    pages = {643},
    year = {2007},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27875.shtml},
}