@article{PismaZhETF.45.216,
    title = {Mechanism for adjusting the rotational-transform profile in a stellarator},
    author = {Matveeva, E. A. and Pustovitov, V. D.},
    journal = {Письма в ЖЭТФ},
    volume = {45},
    issue = {5},
    pages = {216},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18727.shtml},
}