@article{PismaZhETF.33.545,
    title = {Topological defects in cholesteric liquid crystals},
    author = {Kurik, M. V. and Lavrentovich, O. D.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {33},
    issue = {10},
    pages = {545},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23078.shtml},
}