@article{IM_1966__2_141845, author = {F. OORT}, title = {Algebraic {Group} {Schemes} in {Characteristic} {Zero} are {Reduced.}}, journal = {Inventiones mathematicae}, pages = {79--80}, publisher = {mathdoc}, volume = {2}, year = {1966}, zbl = {0173.49002}, url = {http://geodesic.mathdoc.fr/item/IM_1966__2_141845/} }