For citations:
Gorbachenya K.N., Vilejshikova E.V., Kisel V.E., Maltsev V.V., Mitina D.D., Koporulina E.V., Volkova E.A., Kuleshov N.V. Spectral-luminescent properties of yttrium-magnesium pentaborate crystals co-doped with Er3+ and Yb3+. Zhurnal Prikladnoii Spektroskopii. 2020;87(6):911-917. (In Russ.)