TY - JOUR AU - Looijenga, Eduard TI - A period mapping for certain semi-universal deformations JO - Compositio Mathematica PY - 1975 SP - 299 EP - 316 VL - 30 IS - 3 PB - Noordhoff International Publishing UR - http://www.numdam.org/item/CM_1975__30_3_299_0/ LA - en ID - CM_1975__30_3_299_0 ER -