@article{PismaZhETF.49.463,
    title = {Electron spectrum and insulator transition in oxide layers},
    author = {Abrikosov, A. A. and Fal'kovskii, L. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {49},
    issue = {8},
    pages = {463},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16955.shtml},
}