@article{1235657190, author = {Bochnak, J. and Oh, B.-K.}, title = {Almost-universal quadratic forms: An effective solution of a problem of Ramanujan}, journal = {Duke Math. J.}, volume = {146}, number = {1}, year = {2009}, pages = { 131-156}, language = {en}, url = {http://dml.mathdoc.fr/item/1235657190} }
Bochnak, J.; Oh, B.-K. Almost-universal quadratic forms: An effective solution of a problem of Ramanujan. Duke Math. J., Tome 146 (2009) no. 1, pp. 131-156. http://gdmltest.u-ga.fr/item/1235657190/