%0 Journal Article %A R. Z. Gushel' %T Bibliography for anniversary dates of 2015, the first half %J Matematičeskoe obrazovanie %D 2014 %P 29-34 %V 72 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2014_72_4_a5/ %G ru %F MO_2014_72_4_a5