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@article{MAN_1993__297_3_165153, author = {Michael Voit}, title = {A positivity result and normalization of positive convolution structures.}, journal = {Mathematische Annalen}, pages = {677--692}, publisher = {mathdoc}, volume = {297}, number = {3}, year = {1993}, zbl = {0856.43004}, url = {http://geodesic.mathdoc.fr/item/MAN_1993__297_3_165153/} }
Michael Voit. A positivity result and normalization of positive convolution structures.. Mathematische Annalen, Tome 297 (1993) no. 3, pp. 677-692. http://geodesic.mathdoc.fr/item/MAN_1993__297_3_165153/