TY - JOUR AU - Sergei Merkulov AU - Lorenz Schwachhöfer TI - Classification of irreducible holonomies of torsion-free affine connections JO - Annals of mathematics PY - 1999 VL - 150 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.2307/121098/ DO - 10.2307/121098 ID - 10_2307_121098 ER -