@article{PismaZhETF.114.346,
    title = {Influence of cation impurities and both cation and anion  nonstoichiometry on aluminum oxide energy gap width},
    author = {Zainullina, V. M. and Korotin, M. A.},
    journal = {Письма в ЖЭТФ},
    volume = {114},
    issue = {5},
    pages = {346},
    year = {2021},
    doi = {10.31857/S1234567821170109},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567821170109},
    note = {[JETP Letters 114, 296 (2021)]}
}