@article{10_4064_aa_44_1_35_45, author = {Heima Hayashi}, title = {On elliptic units and class number of a certain dihedral extension of degree 2l}, journal = {Acta Arithmetica}, pages = {35--45}, year = {1984}, volume = {44}, number = {1}, doi = {10.4064/aa-44-1-35-45}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-44-1-35-45/} }