PACS:78.45.+h, 61.72.−y (all) DOI:10.1070/PU1986v029n11ABEH003542 URL: https://ufn.ru/en/articles/1986/11/f/ Citation: Andrianov S N, Naboikin Yu V, Samartsev V V, Silaeva N B, Sheibut Yu E "Optical superradiance in a diphenyl crystal with pyrene" Sov. Phys. Usp.29 1060–1062 (1986)