TY - JOUR AU - Lai, Yi TI - O(2)-symmetry of 3D steady gradient Ricci solitons JO - Geometry & topology PY - 2025 SP - 687 EP - 789 VL - 29 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.2140/gt.2025.29.687/ DO - 10.2140/gt.2025.29.687 ID - 10_2140_gt_2025_29_687 ER -