WEISS, Ernst-august Jr. Verallgemeinerte konvexe Funktionen. Mathematica Scandinavica, Berkeley, CA, United States, v. 35, p. 129–144, 1974. DOI: 10.7146/math.scand.a-11540. Disponível em: https://journals.msp.org/mscand/article/view/2109. Acesso em: 25 jul. 2026.