@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}, zbl = {0674.14028}, mrnumber = {89k:14069}, language = {en}, url = {http://archive.numdam.org/item/PMIHES_1988__67__97_0/} }