An application of Kloosterman sums
Compositio Mathematica, Tome 96 (1995) no. 3, p. 323-330
@article{CM_1995__96_3_323_0,
     author = {Ruzsa, Imre Z. and Schinzel, Andrzej},
     title = {An application of Kloosterman sums},
     journal = {Compositio Mathematica},
     publisher = {Kluwer Academic Publishers},
     volume = {96},
     number = {3},
     year = {1995},
     pages = {323-330},
     zbl = {0833.11039},
     mrnumber = {1327149},
     language = {en},
     url = {http://www.numdam.org/item/CM_1995__96_3_323_0}
}
Ruzsa, Imre Z.; Schinzel, Andrzej. An application of Kloosterman sums. Compositio Mathematica, Tome 96 (1995) no. 3, pp. 323-330. https://www.numdam.org/item/CM_1995__96_3_323_0/

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