@article{01143095,
title = {On the representation of numbers by the direct sums of some binary quadratic forms.},
journal = {Georgian Mathematical Journal},
volume = {5},
year = {1998},
pages = {55-70},
doi = {10.1023/B:GEOR.0000008138.79410.d5},
zbl = {0890.11013},
language = {en},
url = {http://dml.mathdoc.fr/item/01143095}
}
Kachakhidze, N. On the representation of numbers by the direct sums of some binary quadratic forms.. Georgian Mathematical Journal, Tome 5 (1998) pp. 55-70. doi : 10.1023/B:GEOR.0000008138.79410.d5. http://gdmltest.u-ga.fr/item/01143095/