@article{PismaZhETF.96.870,
    title = {New topological surface state in layered topological insulators: unoccupied Dirac cone},
    author = {Eremeev, S. V. and Silkin, I. V. and Menshchikova, T. V. and Protogenov, A. P. and Chulkov, E. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {96},
    issue = {12},
    pages = {870},
    year = {2012},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_30124.shtml},
}