@article{DAN_1980_251_5_a23,
     author = {Yu. K. Egorov-Tismenko and M. A. Simonov and N. V. Belov},
     title = {On the crystal structures of calciborite, $\mathrm{Ca}_2[\mathrm{BO}_3\mathrm{BO}]_2$, and synthetic calcium boroaluminate, 
},
     journal = {Doklady Akademii Nauk},
     pages = {1122--1123},
     publisher = {mathdoc},
     volume = {251},
     number = {5},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_251_5_a23/}
}