@article{1102720480, author = {Morton, Patrick}, title = {The quadratic number fields with cyclic $2$-classgroups.}, journal = {Pacific J. Math.}, volume = {109}, number = {2}, year = {1983}, pages = { 165-175}, language = {en}, url = {http://dml.mathdoc.fr/item/1102720480} }
Morton, Patrick. The quadratic number fields with cyclic $2$-classgroups.. Pacific J. Math., Tome 109 (1983) no. 2, pp. 165-175. http://gdmltest.u-ga.fr/item/1102720480/