%0 Journal Article %A Jong, A. J. %A He, Xuhua %A Starr, Jason Michael %T Families of rationally simply connected varieties over surfaces and torsors for semisimple groups %J Publications Mathématiques de l'IHÉS %D 2011 %P 1-85 %V 114 %I Springer-Verlag %U http://archive.numdam.org/articles/10.1007/s10240-011-0035-1/ %R 10.1007/s10240-011-0035-1 %G en %F PMIHES_2011__114__1_0