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@article{CMH_1987__62_140076, author = {Friedrich Knop and Gisela Menzel}, title = {Duale {Variet\"aten} von {Fahnenvariet\"aten.}}, journal = {Commentarii mathematici Helvetici}, pages = {38--61}, publisher = {mathdoc}, volume = {62}, year = {1987}, zbl = {0625.14028}, url = {http://geodesic.mathdoc.fr/item/CMH_1987__62_140076/} }
Friedrich Knop; Gisela Menzel. Duale Varietäten von Fahnenvarietäten.. Commentarii mathematici Helvetici, Tome 62 (1987), pp. 38-61. http://geodesic.mathdoc.fr/item/CMH_1987__62_140076/