KACHMAR, Volodymyr, and Roman TARNAVSKYI. “NATURAL AND PHYSICAL SCIENCES AT LVIV UNIVERSITY IN THE SECOND HALF OF THE XIXth – BEGINNING OF THE XXth CENTURY: STRUCTURAL AND PERSONNEL TRANSFORMATION”. EAST EUROPEAN HISTORICAL BULLETIN, no. 20 (September 30, 2021). Accessed November 22, 2024. http://eehb.dspu.edu.ua/article/view/240145.