MATKOWSKI, Janusz. A remark on periodic entire functions. Annales Mathematicae Silesianae, [S. l.], v. 27, p. 89–91, 2013. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14005. Acesso em: 8 may. 2025.