%0 Journal Article %A A. Yu. Evnin %T The Regional Mathematics Olympiad of the South Ural %J Matematičeskoe obrazovanie %D 2009 %P 2-12 %V 49 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2009_49_1_a0/ %G ru %F MO_2009_49_1_a0