@article{PismaZhETF.16.420,
    title = {Stability of a Tokamak with a Non-round Plasma-loop Cross Section},
    author = {Solov'ev, L. S.},
    journal = {Письма в ЖЭТФ},
    volume = {16},
    issue = {7},
    pages = {420},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26920.shtml},
}