MARKO, František. Towards Ankeny-Artin-Chowla type congruence modulo p^3. Annales Mathematicae Silesianae, [S. l.], v. 20, p. 31–55, 2006. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14067. Acesso em: 7 may. 2025.