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@article{MZ_1987__196_173863, author = {Robert C. Valentini}, title = {The {Deuring-Safarevic} {Formula} {Revisited.}}, journal = {Mathematische Zeitschrift}, pages = {59--64}, publisher = {mathdoc}, volume = {196}, year = {1987}, zbl = {0601.12021}, url = {http://geodesic.mathdoc.fr/item/MZ_1987__196_173863/} }
Robert C. Valentini. The Deuring-Safarevic Formula Revisited.. Mathematische Zeitschrift, Tome 196 (1987), pp. 59-64. http://geodesic.mathdoc.fr/item/MZ_1987__196_173863/