@article{DAN_1975_221_1_a20,
     author = {M. A. Simonov and A. V. Chichagov and Yu. K. Egorov-Tismenko and N. V. Belov},
     title = {Crystal structure of skeleton $\mathrm{Ca}$-borate, 
},
     journal = {Doklady Akademii Nauk},
     pages = {87--90},
     publisher = {mathdoc},
     volume = {221},
     number = {1},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_1_a20/}
}