@article{PismaZhETF.24.78,
    title = {Contribution to the electron theory of ferroelectricity},
    author = {Elesin, V. F. and Kopaev, Yu. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {24},
    issue = {2},
    pages = {78},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27659.shtml},
}