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@article{MAN_1988__281_4_164444, author = {William E. Lang}, title = {On {Enriques} {Surfaces} in {Characteristic} p. {II.}}, journal = {Mathematische Annalen}, pages = {671--686}, publisher = {mathdoc}, volume = {281}, number = {4}, year = {1988}, zbl = {0708.14026}, url = {http://geodesic.mathdoc.fr/item/MAN_1988__281_4_164444/} }
William E. Lang. On Enriques Surfaces in Characteristic p. II.. Mathematische Annalen, Tome 281 (1988) no. 4, pp. 671-686. http://geodesic.mathdoc.fr/item/MAN_1988__281_4_164444/