@article{PismaZhETF.45.352,
    title = {Weakly polar ferroelectricity: dielectric properties and possible nature},
    author = {Tagantsev, A. K.},
    journal = {Письма в ЖЭТФ},
    volume = {45},
    issue = {7},
    pages = {352},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18775.shtml},
}