@article{PMIHES_1988__67__97_0,
     author = {Ekedahl, Torsten},
     title = {Canonical models of surfaces of general type in positive characteristic},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {97--144},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {67},
     year = {1988},
     mrnumber = {972344},
     zbl = {0674.14028},
     language = {en},
     url = {http://www.numdam.org/item/PMIHES_1988__67__97_0/}
}