@article{IM_1979__52_142647,
     author = {C.R. Matthews},
     title = {Gauss {Sums} and {Elliptic} {Functions.} {I.} {The} {Kummer} {Sum.}},
     journal = {Inventiones mathematicae},
     pages = {163--186},
     publisher = {mathdoc},
     volume = {52},
     year = {1979},
     zbl = {0388.10025},
     url = {http://geodesic.mathdoc.fr/item/IM_1979__52_142647/}
}