%0 Journal Article %A A. Yu. Evnin %T Math Olympiad of the State University of the Southern Urals %J Matematičeskoe obrazovanie %D 2004 %P 100-106 %V 28 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2004_28_1_a4/ %G ru %F MO_2004_28_1_a4