Study of amplifying characteristics of copper bromide active media operating at the increased superradiance pulse duration mode / A. E. Kulagin, S. N. Torgaev, G. S. Evtushenko, M. V. Trigub // 2020 7th International Congress on energy fluxes and radiation effects (EFRE 2020), Tomsk, Russia, September 14 – 26, 2020 : proceedings. [S. l.], 2020. P. 942-945. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000563793