Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1966__21_140825, author = {J. Steinig}, title = {On {Euler's} {Idoneal} {Numbers.}}, journal = {Elemente der Mathematik}, pages = {73--88}, publisher = {mathdoc}, volume = {21}, year = {1966}, zbl = {0154.29206}, url = {http://geodesic.mathdoc.fr/item/ELMA_1966__21_140825/} }
J. Steinig. On Euler's Idoneal Numbers.. Elemente der Mathematik, Tome 21 (1966), pp. 73-88. http://geodesic.mathdoc.fr/item/ELMA_1966__21_140825/