TY - JOUR AU - A. J. Jong AU - Xuhua He AU - Jason Michael Starr 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 - https://pmihes.centre-mersenne.org/articles/10.1007/s10240-011-0035-1/ DO - 10.1007/s10240-011-0035-1 LA - en ID - PMIHES_2011__114__1_0 ER -