@article{10_4153_CMB_1973_057_0,
     author = {Williams, Kenneth S.},
     title = {The {Kloosterman} {Sum} {Revisited}},
     journal = {Canadian mathematical bulletin},
     pages = {363--365},
     year = {1973},
     volume = {16},
     number = {3},
     doi = {10.4153/CMB-1973-057-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-057-0/}
}