GRYSHCHUK, S. BASES IN COMMUTATIVE ALGEBRAS OF SECOND RANK AND MONOGENIC FUNCTIONS RELATED TO GENERALIZED BIHARMONIC EQUATION WITH SIMPLE CHARACTERISTICS. Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 6, p. 3–14, 2025. DOI: 10.15407/dopovidi2025.06.003. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/25682. Acesso em: 30 apr. 2026.