@article{DAN_1976_227_2_a21,
     author = {Yu. K. Egorov-Tismenko and M. A. Simonov and N. V. Belov},
     title = {Crystal structure of chkalovite $\mathrm{Ge}$-analogue, $\mathrm{Na}_2\mathrm{Be}[\mathrm{Ge}_2\mathrm{O}_6]$},
     journal = {Doklady Akademii Nauk},
     pages = {348--351},
     publisher = {mathdoc},
     volume = {227},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_227_2_a21/}
}