%0 Journal Article
%A S. V. Kostin
%T Math problems with year number (2023). Conditions of problems 1–65
%J Matematičeskoe obrazovanie
%D 2023
%P 39-49
%N 4
%U http://geodesic.mathdoc.fr/item/MO_2023_4_a3/
%G ru
%F MO_2023_4_a3