%0 Journal Article %A Robert M. Guralnick %A Pham Huu Tiep %T First cohomology groups of Chevalley groups in cross characteristic %J Annals of mathematics %D 2011 %P 543-559 %V 174 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2011.174.1.16/ %R 10.4007/annals.2011.174.1.16 %G en %F 10_4007_annals_2011_174_1_16