@article{10_1090_S0894_0347_2012_00728_0,
     author = {He, Xuhua and Lusztig, George},
     title = {A generalization of {Steinberg\^a€™s} cross section},
     journal = {Journal of the American Mathematical Society},
     pages = {739--757},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {2012},
     doi = {10.1090/S0894-0347-2012-00728-0},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-2012-00728-0/}
}