An application of Kloosterman sums
Compositio Mathematica, Tome 96 (1995) no. 3, pp. 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},
     pages = {323--330},
     publisher = {Kluwer Academic Publishers},
     volume = {96},
     number = {3},
     year = {1995},
     mrnumber = {1327149},
     zbl = {0833.11039},
     language = {en},
     url = {http://www.numdam.org/item/CM_1995__96_3_323_0/}
}
TY  - JOUR
AU  - Ruzsa, Imre Z.
AU  - Schinzel, Andrzej
TI  - An application of Kloosterman sums
JO  - Compositio Mathematica
PY  - 1995
SP  - 323
EP  - 330
VL  - 96
IS  - 3
PB  - Kluwer Academic Publishers
UR  - http://www.numdam.org/item/CM_1995__96_3_323_0/
LA  - en
ID  - CM_1995__96_3_323_0
ER  - 
%0 Journal Article
%A Ruzsa, Imre Z.
%A Schinzel, Andrzej
%T An application of Kloosterman sums
%J Compositio Mathematica
%D 1995
%P 323-330
%V 96
%N 3
%I Kluwer Academic Publishers
%U http://www.numdam.org/item/CM_1995__96_3_323_0/
%G en
%F 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. http://www.numdam.org/item/CM_1995__96_3_323_0/

1 Cha⋖Adus, S.: An application of Nagell's estimate for the least quadratic non-residue, Demonstratio Math., to appear.

2 Hasse, H.: Vorlesungen über Zahlentheorie, Berlin, 1950. | MR

3 Malyshev, A.V.: A generalization of Kloosterman sums and their estimates (in Russian), Vestnik Leningrad. Univ. 15 (1960) No. 13, vypusk 3, 59-75. | MR | Zbl

4 Terjanian, G.: Letter to A. Schinzel of February 15, 1993.

5 Wenpeng, Zhang: On a problem of D. M. Lehmer and its generalization, Compositio Math. 86 (1993) 307-316. | Numdam | MR | Zbl