@article{ADM_2011_11_2_a5,
     author = {O. Savastru and S. Varbanets},
     title = {Norm {Kloosterman} sums over $\mathbb Z[i]$},
     journal = {Algebra and discrete mathematics},
     pages = {82--91},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2011_11_2_a5/}
}