%0 Journal Article %A Yves Felix %A Steve Halperin %A Jean-Claude Thomas %T Exponential growth and an asymptotic formula for the ranks of homotopy groups of a finite 1-connected complex %J Annals of mathematics %D 2009 %P 443-464 %V 170 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2009.170.443/ %R 10.4007/annals.2009.170.443 %G en %F 10_4007_annals_2009_170_443