KAHLIG, Peter; MATKOWSKI, Janusz. On a functional equation for Dido’s problem. Annales Mathematicae Silesianae, [S. l.], v. 13, p. 167–180, 1999. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/14146. Acesso em: 8 apr. 2025.