@article{PismaZhETF.77.615,
    title = {Duality and effective conductivity of random two-phase flat systems},
    author = {Bulgadaev, S. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {77},
    issue = {9},
    pages = {615},
    year = {2003},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_421.shtml},
}