@article{DAN_1961_141_4_a29,
     author = {S. M. Royak and I. A. Prokhvatilova},
     title = {Calcium germanates and their properties},
     journal = {Doklady Akademii Nauk},
     pages = {880--883},
     publisher = {mathdoc},
     volume = {141},
     number = {4},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_4_a29/}
}