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@article{MZ_1964__85_170309, author = {Bruno M\"uller}, title = {Quasi-Frobenius-Erweiterungen.}, journal = {Mathematische Zeitschrift}, pages = {345--368}, publisher = {mathdoc}, volume = {85}, year = {1964}, zbl = {0203.04403}, url = {http://geodesic.mathdoc.fr/item/MZ_1964__85_170309/} }
Bruno Müller. Quasi-Frobenius-Erweiterungen.. Mathematische Zeitschrift, Tome 85 (1964), pp. 345-368. http://geodesic.mathdoc.fr/item/MZ_1964__85_170309/