TY - JOUR AU - Kreußler, Bernd AU - Kurke, Herbert TI - Twistor spaces over the connected sum of 3 projective planes JO - Compositio Mathematica PY - 1992 SP - 25 EP - 55 VL - 82 IS - 1 PB - Kluwer Academic Publishers UR - http://archive.numdam.org/item/CM_1992__82_1_25_0/ LA - en ID - CM_1992__82_1_25_0 ER -