%0 Journal Article %A Harald A. Helfgott %T Growth and generation in $\mathrm{SL}_2(\mathbb{Z}/p \mathbb{Z})$ %J Annals of mathematics %D 2008 %P 601-623 %V 167 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2008.167.601/ %R 10.4007/annals.2008.167.601 %G en %F 10_4007_annals_2008_167_601