@article{DAN_1963_150_4_a22,
     author = {B. P. Sobolev and D. A. Mineev and V. P. Pashutin},
     title = {Low-temperature hexagonal modification of $\mathrm{NaYF}_4$ having the gagarinite structure},
     journal = {Doklady Akademii Nauk},
     pages = {791--794},
     publisher = {mathdoc},
     volume = {150},
     number = {4},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_150_4_a22/}
}