@article{JOLT_2007_17_4_a5, author = {N. Bernhardt and P.-A. Nagy}, title = {Spin {Holonomy} {Algebras} of {Self-Dual} {4-Forms} in {R\protect\textsuperscript{8}}}, journal = {Journal of Lie Theory}, pages = {829--856}, year = {2007}, volume = {17}, number = {4}, zbl = {1148.53037}, url = {http://geodesic.mathdoc.fr/item/JOLT_2007_17_4_a5/} }