%0 Journal Article %A A. A. Kaminskii %A A. A. Pavlyuk %A A. I. Polyakov %A V. V. Lyubchenko %T A new channel of generation of the self-activated erbium crystal $\mathrm{KEr}(\mathrm{WO}_4)_2$ %J Doklady Akademii Nauk %D 1983 %P 856-858 %V 268 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_268_4_a21/ %G ru %F DAN_1983_268_4_a21