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@article{MZ_1986__191_173666, author = {Christian Okonek}, title = {Fl\"achen vom {Grad} 8 im {IP4.}}, journal = {Mathematische Zeitschrift}, pages = {207--224}, publisher = {mathdoc}, volume = {191}, year = {1986}, zbl = {0611.14032}, url = {http://geodesic.mathdoc.fr/item/MZ_1986__191_173666/} }
Christian Okonek. Flächen vom Grad 8 im IP4.. Mathematische Zeitschrift, Tome 191 (1986), pp. 207-224. http://geodesic.mathdoc.fr/item/MZ_1986__191_173666/