TY - JOUR AU - Chris Peters TI - Rigidity of spreadings and fields of definition JO - EMS surveys in mathematical sciences PY - 2017 SP - 77 EP - 100 VL - 4 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4171/emss/4-1-4/ DO - 10.4171/emss/4-1-4 ID - 10_4171_emss_4_1_4 ER -