TY - JOUR AU - Teleman, Andrei TI - Harmonic sections in sphere bundles, normal neighborhoods of reduction loci, and instanton moduli spaces on definite 4–manifolds JO - Geometry & topology PY - 2007 SP - 1681 EP - 1730 VL - 11 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.2140/gt.2007.11.1681/ DO - 10.2140/gt.2007.11.1681 ID - GT_2007_11_3_a11 ER -