@article{DAN_1963_153_5_a25,
     author = {N. A. Toropov and A. K. Shirvinskaya},
     title = {Solid solutions in the $\mathrm{Ca}_2\mathrm{SiO}_4$--$\mathrm{Ca}_2\mathrm{GeO}_4$ system},
     journal = {Doklady Akademii Nauk},
     pages = {1081--1084},
     publisher = {mathdoc},
     volume = {153},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_153_5_a25/}
}