@article{PismaZhETF.90.866,
    title = {Roton dipole moment},
    author = {Mineev, V. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {90},
    issue = {12},
    pages = {866},
    year = {2009},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_28692.shtml},
}