@article{PismaZhETF.44.240,
    title = {Helfrich deformation in smectic A liquid crystals},
    author = {Kamenskii, V. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {44},
    issue = {5},
    pages = {240},
    year = {1986},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21035.shtml},
}