@article{PismaZhETF.30.111,
    title = {Step unwinding of a spiral in a cholesteric liquid crystal},
    author = {Belyaev, S. V. and Blinov, L. M.},
    journal = {Письма в ЖЭТФ},
    volume = {30},
    issue = {2},
    pages = {111},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20595.shtml},
}