@article{PismaZhETF.31.359,
    title = {Observation of quantum states of fast electrons in planar channeling},
    author = {Vorob'ev, S. A. and Kaplin, V. V. and Popov, D. E. and Kostareva, O. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {31},
    issue = {6},
    pages = {359},
    year = {1980},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20313.shtml},
}