@article{PismaZhETF.42.154,
    title = {Decay of weakly bound impurity states in parallel fields},
    author = {Andreev, S. P. and Polunin, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {42},
    issue = {4},
    pages = {154},
    year = {1985},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21573.shtml},
}