Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{JRAM_1971__250_151134, author = {Emma Lehmer}, title = {On the quadratic character of some quadratic surds.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {42--48}, publisher = {mathdoc}, volume = {250}, year = {1971}, zbl = {0222.12007}, url = {http://geodesic.mathdoc.fr/item/JRAM_1971__250_151134/} }
Emma Lehmer. On the quadratic character of some quadratic surds.. Journal für die reine und angewandte Mathematik, Tome 250 (1971), pp. 42-48. http://geodesic.mathdoc.fr/item/JRAM_1971__250_151134/