MFI, E. Set of problems for the first round of the 73nd year of the Mathematics Olympiad (categories A, B, C). MATHEMATICS–PHYSICS–INFORMATICS, [S. l.], v. 32, n. 2, p. P1‒P4, 2023. Disponível em: https://mfi.upol.cz/index.php/mfi/article/view/733. Acesso em: 19 may. 2024.