Boichuk О. A., M. L. Gorbachuk, M. F. Gorodnii, I. O. Lukovsky, V. L. Makarov, I. O. Parasyuk, A. M. Samoilenko, et al. “Mykola Oleksiiovych Perestyuk (on His 70th Birthday)”. Ukrains’kyi Matematychnyi Zhurnal 68, no. 1 (January 25, 2016): 142–144. Accessed February 16, 2026. https://umj.imath.kiev.ua/index.php/umj/article/view/1828.