@article{DAN_1965_165_5_a25,
     author = {P. P. Budnikov and V. I. Kushakovskii and V. S. Belevantsev},
     title = {An investigation of the $\mathrm{Gd}_2\mathrm{O}_3$ -- $\mathrm{Al}_2\mathrm{O}_3$ 
},
     journal = {Doklady Akademii Nauk},
     pages = {1075--1077},
     publisher = {mathdoc},
     volume = {165},
     number = {5},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_165_5_a25/}
}