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@article{MZ_1969__109_171143, author = {Hans-J\"org Reiffen}, title = {Kontrahierbare analytische {Algebren.}}, journal = {Mathematische Zeitschrift}, pages = {253--268}, publisher = {mathdoc}, volume = {109}, year = {1969}, zbl = {0174.38902}, url = {http://geodesic.mathdoc.fr/item/MZ_1969__109_171143/} }
Hans-Jörg Reiffen. Kontrahierbare analytische Algebren.. Mathematische Zeitschrift, Tome 109 (1969), pp. 253-268. http://geodesic.mathdoc.fr/item/MZ_1969__109_171143/