@article{PismaZhETF.87.301,
    title = {Ferrielectric  smectic with layer-by-layer change of the two-component order parameter},
    author = {Dolganov, P. V. and Zhilin, V. M. and Dolganov, V. K. and Kats, E. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {87},
    issue = {5},
    pages = {301},
    year = {2008},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_28016.shtml},
}