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@article{MZ_1972__128_171793, author = {Dieter Betten}, title = {4-dimensionale {Translationsebenen.}}, journal = {Mathematische Zeitschrift}, pages = {129--152}, publisher = {mathdoc}, volume = {128}, year = {1972}, zbl = {0231.50011}, url = {http://geodesic.mathdoc.fr/item/MZ_1972__128_171793/} }
Dieter Betten. 4-dimensionale Translationsebenen.. Mathematische Zeitschrift, Tome 128 (1972), pp. 129-152. http://geodesic.mathdoc.fr/item/MZ_1972__128_171793/