WEISS, Ernst-august Jr. Verallgemeinerte konvexe Funktionen. MATHEMATICA SCANDINAVICA, [S. l.], v. 35, p. 129–144, 1974. DOI: 10.7146/math.scand.a-11540. Disponível em: https://tidsskrift.dk/math/article/view/11540. Acesso em: 14 aug. 2026.