%0 Journal Article %A R. Z. Gushel' %T On 150-th anniversary of the ''Pedagogical collected articles'' %J Matematičeskoe obrazovanie %D 2014 %P 58-63 %V 69 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2014_69_1_a5/ %G ru %F MO_2014_69_1_a5