@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/}
}