%0 Journal Article %T Problems of the 16-th Tournament of the Towns Summer Conference %J Matematičeskoe obrazovanie %D 2004 %P 78-107 %V 30 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2004_30_3_a3/ %G ru %F MO_2004_30_3_a3