@article{PismaZhETF.81.341,
    title = {Variable range  cotunneling and  conductivity of a granular metal},
    author = {Feigel'man, M. V. and Ioselevich, A. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {81},
    issue = {6},
    pages = {341},
    year = {2005},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_10061.shtml},
}