TY - JOUR AU - Jong, A. J. AU - He, Xuhua AU - Starr, Jason Michael TI - Families of rationally simply connected varieties over surfaces and torsors for semisimple groups JO - Publications Mathématiques de l'IHÉS PY - 2011 SP - 1 EP - 85 VL - 114 PB - Springer-Verlag UR - http://archive.numdam.org/articles/10.1007/s10240-011-0035-1/ DO - 10.1007/s10240-011-0035-1 LA - en ID - PMIHES_2011__114__1_0 ER -