@article{GDZPPN002483270, title = {On Cyclic Biquadratic Fields Related to a Problem of Hasse.}, journal = {Monatshefte f\"ur Mathematik}, volume = {94}, year = {1982}, pages = {125-132}, zbl = {0482.12001}, url = {http://dml.mathdoc.fr/item/GDZPPN002483270} }
Nakahara, Toru. On Cyclic Biquadratic Fields Related to a Problem of Hasse.. Monatshefte für Mathematik, Tome 94 (1982) pp. 125-132. http://gdmltest.u-ga.fr/item/GDZPPN002483270/