@article{DAN_1976_229_2_a20,
     author = {D. Yu. Pushcharovskii and I. F. Burshtein and I. S. Naumova and E. A. Pobedimskaya and N. V. Belov},
     title = {Crystal structure of $\mathrm{Na}_2\mathrm{Mn}(\mathrm{SiO}_3)_2$},
     journal = {Doklady Akademii Nauk},
     pages = {344--347},
     publisher = {mathdoc},
     volume = {229},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_229_2_a20/}
}