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@article{MZ_1975__143_172217, author = {Robert Bieri}, title = {Mayer-Vietoriss {Sequences} for {HNN-Groups} and {Homological} {Duality.}}, journal = {Mathematische Zeitschrift}, pages = {123--130}, publisher = {mathdoc}, volume = {143}, year = {1975}, zbl = {0407.20040}, url = {http://geodesic.mathdoc.fr/item/MZ_1975__143_172217/} }
Robert Bieri. Mayer-Vietoriss Sequences for HNN-Groups and Homological Duality.. Mathematische Zeitschrift, Tome 143 (1975), pp. 123-130. http://geodesic.mathdoc.fr/item/MZ_1975__143_172217/