@article{DAN_1982_267_5_a20,
     author = {A. A. Kaminskii},
     title = {Cascade laser generation of $\mathrm{Er}^{3+}$ ions in crystals of $\mathrm{YAlO}_3$ according to the scheme 
},
     journal = {Doklady Akademii Nauk},
     pages = {1106--1109},
     publisher = {mathdoc},
     volume = {267},
     number = {5},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_267_5_a20/}
}