@article{DAN_1976_227_3_a21,
     author = {M. A. Simonov and Yu. K. Egorov-Tismenko and N. V. Belov},
     title = {On crystal structures of $\mathrm{Na}_2\mathrm{ZnSiO}_4$ and $\mathrm{Na}_2\mathrm{BeSiO}_4$},
     journal = {Doklady Akademii Nauk},
     pages = {600--602},
     publisher = {mathdoc},
     volume = {227},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_227_3_a21/}
}