Halyan, V.V., I.A. Ivashchenko, A.H. Kevshyn, I.D. Olekseyuk, and P.V. Tishchenko. “Photoluminescence of Erbium-Doped Glasses 70 Ga2S3 – 30 La2S3”. Physics and Chemistry of Solid State 19, no. 4 (December 25, 2018): 331–335. Accessed December 14, 2024. https://journals.pnu.edu.ua/index.php/pcss/article/view/586.