@article{10_4064_aa_82_1_57_67, author = {Kazuhiro Dohmae}, title = {A note on {Sinnott's} index formula}, journal = {Acta Arithmetica}, pages = {57--67}, publisher = {mathdoc}, volume = {82}, number = {1}, year = {1997}, doi = {10.4064/aa-82-1-57-67}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-82-1-57-67/} }