VASYECHKO, O. O.; CHETVERIKOV, O. F. Extremology: Behavioral and Quantitative Aspects. Statistics of Ukraine, [S. l.], v. 88, n. 1, p. 24–34, 2020. DOI: 10.31767/su.1(88)2020.01.03. Disponível em: https://su-journal.com.ua/index.php/journal/article/view/280. Acesso em: 21 mar. 2026.