Pasichnyk, N., Rizhniak, R. and DeforzhН. 2022. Biographical materials of mathematicians and natural scientists in “Bulletin of Experimental Physics and Elementary Mathematics” (1886–1917): meaningful and content analysis. History of science and technology. 12, 2 (Dec. 2022), 279-301. DOI:https://doi.org/10.32703/2415-7422-2022-12-2-279-301.