@article{DAN_1978_238_4_a19,
     author = {Yu. K. Egorov-Tismenko and M. A. Simonov and N. V. Belov},
     title = {On the crystal structure of $\mathrm{Na}$, $\mathrm{Zn}$-orthosilicate, $\mathrm{Na}_2\mathrm{Zn}_3[\mathrm{SiO}_4]_2$},
     journal = {Doklady Akademii Nauk},
     pages = {848--850},
     publisher = {mathdoc},
     volume = {238},
     number = {4},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_238_4_a19/}
}