HRIC, Roman; VÝBOŠT'OK, Miroslav. Classification of odometers: a short elementary proof. Annales Mathematicae Silesianae, [S. l.], v. 36, n. 2, p. 184–192, 2022. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/13839. Acesso em: 8 may. 2025.