JABŁOŃSKA, Eliza. Jensen convex functions bounded above on nonzero Christensen measurable sets. Annales Mathematicae Silesianae, [S. l.], v. 23, p. 53–55, 2009. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/14042. Acesso em: 16 dec. 2025.