TY - JOUR AU - Jaffe, David B. TI - On sections of commutative group schemes JO - Compositio Mathematica PY - 1991 SP - 171 EP - 196 VL - 80 IS - 2 PB - Kluwer Academic Publishers UR - http://www.numdam.org/item/CM_1991__80_2_171_0/ LA - en ID - CM_1991__80_2_171_0 ER -