@article{DAN_1978_242_2_a19,
     author = {I. V. Petrova and E. L. Belokoneva and M. A. Simonov and E. A. Pobedimskaya and N. V. Belov and A. I. Kuznetsov},
     title = {On the crystal structure of boulangerite},
     journal = {Doklady Akademii Nauk},
     pages = {337--340},
     publisher = {mathdoc},
     volume = {242},
     number = {2},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_242_2_a19/}
}