BELOV, Filipp; KOZLOVA, Irina. Problem Sequences in Municipal-Round Problem Sets of the Russian National Astronomy Olympiad. Astronomy Education, [S. l.], v. 1, n. 2, p. 50–53, 2026. Disponível em: https://journal.astroedu.ru/astrobraz/article/view/26. Acesso em: 11 nov. 2026.