TY - JOUR AU - Yu. A. Neretin TI - Improbable Coincidences and the Morozov--Fomenko Problem on Historical Foldings JO - Matematičeskoe obrazovanie PY - 2002 SP - 66 EP - 95 VL - 21 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MO_2002_21_2_a3/ LA - ru ID - MO_2002_21_2_a3 ER -