@article{1178242816, author = {Uchida, K\^oji}, title = {Unramified extensions of quadratic number fields, II}, journal = {Tohoku Math. J. (2)}, volume = {22}, number = {4}, year = {1970}, pages = { 220-224}, language = {en}, url = {http://dml.mathdoc.fr/item/1178242816} }
Uchida, Kôji. Unramified extensions of quadratic number fields, II. Tohoku Math. J. (2), Tome 22 (1970) no. 4, pp. 220-224. http://gdmltest.u-ga.fr/item/1178242816/