@article{10_4064_aa_69_4_329_358,
     author = {E. Bombieri and S. Sperber},
     title = {On the estimation of certain exponential sums},
     journal = {Acta Arithmetica},
     pages = {329--358},
     publisher = {mathdoc},
     volume = {69},
     number = {4},
     year = {1995},
     doi = {10.4064/aa-69-4-329-358},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-69-4-329-358/}
}