@article{05709074, title = {Analogues of Jacobi's two-square theorem: an informal account.}, journal = {Integers}, volume = {10}, year = {2010}, pages = {83-100}, doi = {10.1515/INTEG.2010.008}, zbl = {1200.11025}, language = {en}, url = {http://dml.mathdoc.fr/item/05709074} }
Melham, Ray S. Analogues of Jacobi's two-square theorem: an informal account.. Integers, Tome 10 (2010) pp. 83-100. doi : 10.1515/INTEG.2010.008. http://gdmltest.u-ga.fr/item/05709074/