@article{DAN_1961_137_6_a28,
     author = {I. G. Druzhinin and A. Akbaev},
     title = {The system composed of arsenates and carbonates of copper and sodium},
     journal = {Doklady Akademii Nauk},
     pages = {1364--1367},
     publisher = {mathdoc},
     volume = {137},
     number = {6},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_137_6_a28/}
}