@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/