@article{DAN_1977_234_4_a22, author = {M. A. Simonov and Yu. K. Egorov-Tismenko and N. V. Belov}, title = {More precise definition of the structure of uralborite }, journal = {Doklady Akademii Nauk}, pages = {822--825}, publisher = {mathdoc}, volume = {234}, number = {4}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_234_4_a22/} }