ELIN, Mark; JACOBZON, Fiana. The Fekete–Szegö problem for spirallike mappings and non-linear resolvents in Banach spaces. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 67, n. 2, p. 329–344, 2022. DOI: 10.24193/subbmath.2022.2.09. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1492. Acesso em: 5 feb. 2025.