@article{10_4064_aa111_3_6,
     author = {Harald Niederreiter and Arne Winterhof},
     title = {Multiplicative character sums for nonlinear
 recurring sequences},
     journal = {Acta Arithmetica},
     pages = {299--305},
     publisher = {mathdoc},
     volume = {111},
     number = {3},
     year = {2004},
     doi = {10.4064/aa111-3-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa111-3-6/}
}