@article{GDZPPN002431688, title = {Hasse-Witt-Invariants and Dihedral Extension.}, journal = {Mathematische Zeitschrift}, volume = {192}, year = {1986}, pages = {513-518}, zbl = {0563.12011}, url = {http://dml.mathdoc.fr/item/GDZPPN002431688} }
Rück, Hans-Georg. Hasse-Witt-Invariants and Dihedral Extension.. Mathematische Zeitschrift, Tome 192 (1986) pp. 513-518. http://gdmltest.u-ga.fr/item/GDZPPN002431688/