Mitropolskiy, Yu. A. “On the Scientific, Pedagogic, and Public Activities of Academician Mikhail Alekseevich Lavrent’ev at the Ukrainian Academy of Sciences (1939–1949) (on the 100th Anniversary of the Birth of M. A. Lavrent’ev)”. Ukrains’kyi Matematychnyi Zhurnal 52, no. 10 (October 25, 2000): 1312-1321. Accessed May 18, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4538.