%0 Journal Article %A Manin, Fedor %T Plato’s cave and differential forms %J Geometry & topology %D 2019 %P 3141-3202 %V 23 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2140/gt.2019.23.3141/ %R 10.2140/gt.2019.23.3141 %F GT_2019_23_6_a8