@article{DAN_1971_196_6_a20,
     author = {O. S. Filipenko and E. A. Pobedimskaya and V. I. Ponomarev and N. V. Belov},
     title = {Cristalline structure of synthetic barium silicate, $\mathrm{Ba}_4[\mathrm{Si}_6\mathrm{O}_{16}]$. 
},
     journal = {Doklady Akademii Nauk},
     pages = {1337--1340},
     publisher = {mathdoc},
     volume = {196},
     number = {6},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_196_6_a20/}
}