@article{10_21136_CMJ_1970_100987,
     author = {Carlitz, Leonard},
     title = {Reduction formulas for certain multiple exponential sums},
     journal = {Czechoslovak Mathematical Journal},
     pages = {616--627},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {1970},
     doi = {10.21136/CMJ.1970.100987},
     mrnumber = {0268160},
     zbl = {0212.07402},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1970.100987/}
}