@article{IM_1985__81_143270,
     author = {Jean-Marc Fontaine},
     title = {Il n'y a pas de vari\'et\'e ab\'elienne sur {Z.}},
     journal = {Inventiones mathematicae},
     pages = {515--538},
     publisher = {mathdoc},
     volume = {81},
     year = {1985},
     zbl = {0612.14043},
     url = {http://geodesic.mathdoc.fr/item/IM_1985__81_143270/}
}