@article{DAN_1975_225_2_a17,
     author = {V. G. Govorkov and G. V. Berezhkova and E. P. Kozlovskaya},
     title = {On the possible structural changes in the $\alpha$-$\mathrm{Al}_2\mathrm{O}_3$ crystals with temperature rise},
     journal = {Doklady Akademii Nauk},
     pages = {316--318},
     publisher = {mathdoc},
     volume = {225},
     number = {2},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_225_2_a17/}
}