@article{PismaZhETF.25.541,
    title = {Macroscopic quadrupole moment of a crystal in the region of a structural phase transition},
    author = {Gladkii, V. V. and Kirkikov, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {25},
    issue = {11},
    pages = {541},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21482.shtml},
}