@article{05032280, title = {Symmetric squares of elliptic curves: rational points and Steiner groups.}, journal = {Experimental Mathematics}, volume = {11}, year = {2002}, pages = {457-464}, doi = {10.1080/10586458.2002.10504697}, zbl = {1162.11355}, language = {en}, url = {http://dml.mathdoc.fr/item/05032280} }
Dummigan, Neil. Symmetric squares of elliptic curves: rational points and Steiner groups.. Experimental Mathematics, Tome 11 (2002) pp. 457-464. doi : 10.1080/10586458.2002.10504697. http://gdmltest.u-ga.fr/item/05032280/