@article{DAN_1985_283_6_a14,
     author = {L. I. Devyatkova and O. N. Ivanova and V. V. Mikhailin and S. N. Rudnev and B. P. Sobolev and T. V. Uvarova and S. P. Chernov},
     title = {Experimental study of the $4f$--$5d$ transitions of $\mathrm{Ho}^{3+}$, $\mathrm{Er}^{3+}$, $\mathrm{Tm}^{3+}$, and $\mathrm{Yb}^{3+}$ in $\mathrm{BaY}_2\mathrm{F}_8$},
     journal = {Doklady Akademii Nauk},
     pages = {1339--1342},
     publisher = {mathdoc},
     volume = {283},
     number = {6},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_283_6_a14/}
}