@article{DAN_1971_199_3_a23,
     author = {I. M. Rumanova and Z. P. Razmanova and N. V. Belov},
     title = {Crystalline structure of preobrazhenskite},
     journal = {Doklady Akademii Nauk},
     pages = {592--595},
     year = {1971},
     volume = {199},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_199_3_a23/}
}