@article{PismaZhETF.93.182,
    title = {Electronic structure, topological phase transitions and superconductivity in (K,Cs)$_{\boldsymbol{x}}$Fe$_{\bf2}$Se$_{\bf2}$},
    author = {Nekrasov, I. A. and Sadovskii, M. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {93},
    issue = {3},
    pages = {182},
    year = {2011},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_29151.shtml},
}