Nikitin, A. “Wilhelm Fushchych (18.12.1936–07.04.1997)”. Ukrains’kyi Matematychnyi Zhurnal 74, no. 3 (April 26, 2022): 291-293. Accessed June 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/7192.