@article{10_4064_aa101_2_5,
     author = {Todd Cochrane},
     title = {Exponential sums modulo prime powers},
     journal = {Acta Arithmetica},
     pages = {131--149},
     publisher = {mathdoc},
     volume = {101},
     number = {2},
     year = {2002},
     doi = {10.4064/aa101-2-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa101-2-5/}
}