TY - JOUR AU - A. A. Kaminskii TI - Cascade laser generation of $\mathrm{Er}^{3+}$ ions in crystals of $\mathrm{YAlO}_3$ according to the scheme JO - Doklady Akademii Nauk PY - 1982 SP - 1106 EP - 1109 VL - 267 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_267_5_a20/ LA - ru ID - DAN_1982_267_5_a20 ER -