LARA, Teodoro; MATKOWSKI, Janusz; MERENTES, Nelson; QUINTERO, Roy; WRÓBEL, Małgorzata. A generalization of m-convexity and a sandwich theorem. Annales Mathematicae Silesianae, [S. l.], v. 31, p. 107–126, 2017. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/13943. Acesso em: 5 dec. 2025.