@article{PismaZhETF.26.693,
    title = {Size localization of electrons in inhomogeneous semiconductors},
    author = {Zvyagin, I. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {26},
    issue = {10},
    pages = {693},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20981.shtml},
}