@article{DAN_1977_234_5_a18,
     author = {V. I. Ponomarenko and E. N. Kurkutova and M. A. Porai-Koshits and K. Sulaymankulov},
     title = {Crystal structure of cobalt sulphate hexacarbamide},
     journal = {Doklady Akademii Nauk},
     pages = {1074--1077},
     publisher = {mathdoc},
     volume = {234},
     number = {5},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_234_5_a18/}
}