@article{DAN_1978_239_5_a21,
     author = {M. A. Simonov and Yu. K. Egorov-Tismenko and N. V. Belov},
     title = {On crystal structures of ortho-phosphates of the composition
},
     journal = {Doklady Akademii Nauk},
     pages = {1101--1102},
     publisher = {mathdoc},
     volume = {239},
     number = {5},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_239_5_a21/}
}