GAWRILJUK, I.; MAKAROV, V. Resonant equations and classical orthogonal polynomials . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 11, p. 3–10, 2024. DOI: 10.15407/dopovidi2018.11.003. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/3034. Acesso em: 9 may. 2026.