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@article{MAN_1995__302_2_165340, author = {Hubert Flenner and Wolfgang Vogel}, title = {Joins, tangencies and intersections.}, journal = {Mathematische Annalen}, pages = {489--506}, publisher = {mathdoc}, volume = {302}, number = {2}, year = {1995}, zbl = {0844.14002}, url = {http://geodesic.mathdoc.fr/item/MAN_1995__302_2_165340/} }
Hubert Flenner; Wolfgang Vogel. Joins, tangencies and intersections.. Mathematische Annalen, Tome 302 (1995) no. 2, pp. 489-506. http://geodesic.mathdoc.fr/item/MAN_1995__302_2_165340/