1.
AMSil R. Problem session. The 4th Czech and Polish Conference on Number Theory Cieszyn, June 11-14, 2002. Ann. Math. Sil. [Internet]. 2003 Jan. 30 [cited 2025 May 7];16:79-81. Available from: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14110