%0 Journal Article %A Daniel Gross %T On the fundamental group of the fixed points of an unipotent action. %J Manuscripta mathematica %D 1988 %P 487-496 %V 60 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1988__60_2_155295/ %F MM2_1988__60_2_155295