@article{CM_1991__80_2_171_0,
     author = {Jaffe, David B.},
     title = {On sections of commutative group schemes},
     journal = {Compositio Mathematica},
     pages = {171--196},
     publisher = {Kluwer Academic Publishers},
     volume = {80},
     number = {2},
     year = {1991},
     mrnumber = {1132092},
     zbl = {0781.14035},
     language = {en},
     url = {http://www.numdam.org/item/CM_1991__80_2_171_0/}
}