@article{PismaZhETF.57.346,
    title = {Short-range impurity in a non-central cross-section of a saddle-point microconstriction},
    author = {Lubin, M. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {57},
    issue = {6},
    pages = {346},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4835.shtml},
}