@article{DAN_1970_193_1_a20,
     author = {A. M. Shevyakov and I. F. Andreev and T. A. Tunik and V. V. Shurukhin},
     title = {Apatite-like phases in $\mathrm{MeO}$ -- $\mathrm{Nd}_2\mathrm{O}_3$ -- $\mathrm{SiO}_2$ systems (where 
},
     journal = {Doklady Akademii Nauk},
     pages = {87--89},
     publisher = {mathdoc},
     volume = {193},
     number = {1},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_193_1_a20/}
}