@article{PismaZhETF.83.659,
    title = {Topological quantization of current in quantum tunnel contacts},
    author = {Bulgadaev, S. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {83},
    issue = {12},
    pages = {659},
    year = {2006},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16156.shtml},
}