@article{PismaZhETF.56.55,
    title = {Bound states near a short range impurity in ctossed magnetic and electric fields},
    author = {Kunze, C. and Levinson, Y. B. and Lubin, νμ. and Sukhorukov, E. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {56},
    issue = {1},
    pages = {55},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4455.shtml},
}