@article{DAN_1968_178_5_a13,
     author = {G. B. Bokii and L. S. Gaigerova and M. I. Gaǐduk and O. F. Dudnik and \`E. N. Murav'ev},
     title = {The tetragonal luminescence centre of the $\mathrm{Eu}^{3+}$ ion in $\mathrm{CaF}_2$},
     journal = {Doklady Akademii Nauk},
     pages = {1039--1042},
     publisher = {mathdoc},
     volume = {178},
     number = {5},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_178_5_a13/}
}