@article{01106845, title = {On the number of representations of positive integers by a direct sum of binary quadratic forms with discriminant }, journal = {Georgian Mathematical Journal}, volume = {4}, year = {1997}, pages = {523-532}, doi = {10.1023/A:1022103424996}, zbl = {0885.11028}, language = {en}, url = {http://dml.mathdoc.fr/item/01106845} }
Lomadze, G. On the number of representations of positive integers by a direct sum of binary quadratic forms with discriminant . Georgian Mathematical Journal, Tome 4 (1997) pp. 523-532. doi : 10.1023/A:1022103424996. http://gdmltest.u-ga.fr/item/01106845/