@article{01369928, title = {Classification of irreducible holonomies of torsion-free affine connections.}, journal = {Annals of Mathematics. Second Series}, volume = {150}, year = {1999}, pages = {77-149}, doi = {10.2307/121098}, zbl = {0992.53038}, language = {en}, url = {http://dml.mathdoc.fr/item/01369928} }
Merkulov, Sergei; Schwachhöfer, Lorenz. Classification of irreducible holonomies of torsion-free affine connections.. Annals of Mathematics. Second Series, Tome 150 (1999) pp. 77-149. doi : 10.2307/121098. http://gdmltest.u-ga.fr/item/01369928/