@article{PismaZhETF.56.11,
    title = {New shape of inhomogeneously broadened resonance lines in semi-infinite media: $Sm_2^+$ luminescence in $CaF_2/Si(111)$ thin films},
    author = {Averkiev, N. S. and Vikhnin, V. S. and Sokolov, N. S. and Yakovlev, N. L.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {56},
    issue = {1},
    pages = {11},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19367.shtml},
}