Mahon, N.S. et al. 2022. Method for studying the photostability of solar cells based on organic-inorganic perovskites using a confocal spectrometer. Journal of the Belarusian State University. Physics. 1 (Jan. 2022), 88–97. DOI:https://doi.org/10.33581/2520-2243-2022-1-88-97.