@article{10_4064_aa106_1_2,
     author = {O. Robert and P. Sargos},
     title = {A third derivative test for mean values of exponential
 sums with application to lattice point problems},
     journal = {Acta Arithmetica},
     pages = {27--39},
     publisher = {mathdoc},
     volume = {106},
     number = {1},
     year = {2003},
     doi = {10.4064/aa106-1-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa106-1-2/}
}