TY - JOUR AU - Manin, Fedor TI - Plato’s cave and differential forms JO - Geometry & topology PY - 2019 SP - 3141 EP - 3202 VL - 23 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.2140/gt.2019.23.3141/ DO - 10.2140/gt.2019.23.3141 ID - GT_2019_23_6_a8 ER -