BEREZANSKY, Yu. M. et al. Yuri Yurievich Trokhimchuk (on his 80th birthday). Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 60, n. 5, p. 701 – 703, 2008. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3187. Acesso em: 6 dec. 2025.