%0 Journal Article %A H. GROSS %T On a Special Group of Isometries of an Infinite Dimensional Vectorspace. %J Mathematische Annalen %D 1963 %P 285-292 %V 150 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1963__150_161060/ %F MAN_1963__150_161060