Increase in the lasing efficiency of thin-film lasers based on 1.4-distirylbenzene / E. N. Nikonova, E. N. Tel'minov, T. N. Kopylova [et al.] // Russian physics journal. 2018. Vol. 60, № 11. P. 2036-2039. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000635230