@article{DAN_1977_236_5_a22,
     author = {O. V. Yakubovich and M. A. Simonov and Yu. K. Egorov-Tismenko and N. V. Belov},
     title = {Crystalline structure of
},
     journal = {Doklady Akademii Nauk},
     pages = {1123--1126},
     publisher = {mathdoc},
     volume = {236},
     number = {5},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_236_5_a22/}
}