@article{PismaZhETF.68.572,
    title = {Nonlinear transport through NS junctions due to imperfect Andreev reflection},
    author = {Lesovik, G. B. and Blatter, G.},
    journal = {Письма в ЖЭТФ},
    volume = {68},
    issue = {7},
    pages = {572},
    year = {1998},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_14762.shtml},
}