@article{DAN_1971_200_6_a16,
     author = {M. Tomashek and V. D. Kudrin},
     title = {Surface states of electrons on the plane (111) of germanium and silicon crystals},
     journal = {Doklady Akademii Nauk},
     pages = {1321--1322},
     publisher = {mathdoc},
     volume = {200},
     number = {6},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_200_6_a16/}
}