GRYSHCHUK, S. Hypercomplex monogenic functions of the biharmonic variable in some problems of plane elasticity theory . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 6, p. 7–12, 2025. DOI: 10.15407/dopovidi2015.06.007. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/14997. Acesso em: 28 may. 2026.