@article{PismaZhETF.62.305,
    title = {Two-parameter regularization of crossover from directed to isotropic percolation},
    author = {Luzhkov, A. A.},
    journal = {Письма в ЖЭТФ},
    volume = {62},
    issue = {4},
    pages = {305},
    year = {1995},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18372.shtml},
}