SKOROKHODOV, D. S. On the best approximation of the Hölder classes by linear methods . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 8, p. 41–47, 2025. DOI: 10.15407/dopovidi2014.08.041. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/16608. Acesso em: 10 may. 2026.