@article{10_4007_annals_2009_170_443,
     author = {Yves Felix and Steve Halperin and Jean-Claude Thomas},
     title = {Exponential growth and an asymptotic formula for the ranks of homotopy groups of a finite 1-connected complex},
     journal = {Annals of mathematics},
     pages = {443--464},
     publisher = {mathdoc},
     volume = {170},
     number = {1},
     year = {2009},
     doi = {10.4007/annals.2009.170.443},
     mrnumber = {2521122},
     zbl = {1197.55006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2009.170.443/}
}