@article{01423419, title = {Lattice point problems and distribution of values of quadratic forms.}, journal = {Annals of Mathematics. Second Series}, volume = {150}, year = {1999}, pages = {977-1027}, doi = {10.2307/121060}, zbl = {0979.11048}, language = {en}, url = {http://dml.mathdoc.fr/item/01423419} }
Bentkus, V.; Götze, F. Lattice point problems and distribution of values of quadratic forms.. Annals of Mathematics. Second Series, Tome 150 (1999) pp. 977-1027. doi : 10.2307/121060. http://gdmltest.u-ga.fr/item/01423419/