@article{10_4007_annals_2011_174_1_16,
     author = {Robert M. Guralnick and Pham Huu Tiep},
     title = {First cohomology groups of {Chevalley} groups in cross characteristic},
     journal = {Annals of mathematics},
     pages = {543--559},
     publisher = {mathdoc},
     volume = {174},
     number = {1},
     year = {2011},
     doi = {10.4007/annals.2011.174.1.16},
     mrnumber = {2811608},
     zbl = {05960710},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2011.174.1.16/}
}