Agakhanov, Nazar, Olga Marchukova, and Oleg Podlipskii. 2021. “On the Current Trends in Math Olympiad Training for School Students”. Voprosy Obrazovaniya / Educational Studies Moscow, no. 4 (December), 266-84. https://doi.org/10.17323/1814-9545-2021-4-266-284.