AMSilR. (2003) “Problem session. The 4th Czech and Polish Conference on Number Theory Cieszyn, June 11-14, 2002”, Annales Mathematicae Silesianae, 16, pp. 79-81. Available at: https://journals.us.edu.pl/index.php/AMSIL/article/view/14110 (Accessed: 21November2024).