%0 Journal Article %A Gregory Z. Arone %A Kathryn Lesh %T Augmented $\mit\Gamma$-spaces, the stable rank filtration, and a $bu$ analogue of the Whitehead conjecture %J Fundamenta Mathematicae %D 2010 %P 29-70 %V 207 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm207-1-3/ %R 10.4064/fm207-1-3 %G en %F 10_4064_fm207_1_3