%0 Journal Article %A Yu. A. Neretin %T Improbable Coincidences and the Morozov--Fomenko Problem on Historical Foldings %J Matematičeskoe obrazovanie %D 2002 %P 66-95 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2002_21_2_a3/ %G ru %F MO_2002_21_2_a3