@article{DAN_1981_257_3_a22,
     author = {Yu. N. Saf'yanov and R. I. Bochkova and \`E. A. Kuz'min and N. V. Belov},
     title = {Crystal structures of
},
     journal = {Doklady Akademii Nauk},
     pages = {619--621},
     publisher = {mathdoc},
     volume = {257},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_257_3_a22/}
}