JakubecS. and LaššákM. (1998) “Congruence of Ankeny-Artin-Chowla type modulo p^2”, Annales Mathematicae Silesianae, 12, pp. 75-91. Available at: https://journals.us.edu.pl/index.php/AMSIL/article/view/14165 (Accessed: 18May2024).