@article{DAN_1969_189_3_a22,
     author = {D. P. Shashkin and M. A. Simonov and N. V. Belov},
     title = {Crystalline structure of uralborite $\mathrm{Ca}_2[\mathrm{B}_4\mathrm{O}_4(\mathrm{OH})_8]$},
     journal = {Doklady Akademii Nauk},
     pages = {532--535},
     publisher = {mathdoc},
     volume = {189},
     number = {3},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_189_3_a22/}
}