%0 Journal Article %A A. Yu. Evnin %T Problems of math competition of the South Ural State %J Matematičeskoe obrazovanie %D 2019 %P 43-56 %V 89 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2019_89_1_a6/ %G ru %F MO_2019_89_1_a6