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@article{AM2_1985__28_137052, author = {G\"unter Pickert}, title = {Teilmengengraphen und projektive {R\"aume.}}, journal = {Aequationes mathematicae}, pages = {144--150}, publisher = {mathdoc}, volume = {28}, year = {1985}, zbl = {0566.51014}, url = {http://geodesic.mathdoc.fr/item/AM2_1985__28_137052/} }
Günter Pickert. Teilmengengraphen und projektive Räume.. Aequationes mathematicae, Tome 28 (1985), pp. 144-150. http://geodesic.mathdoc.fr/item/AM2_1985__28_137052/