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@article{MOMA_1982__93_178060, author = {Wolfgang M. Schmidt}, title = {On {Cubic} {Polynomials} {I.Hua's} {Estimate} of {Exponential} {Sums.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {63--74}, publisher = {mathdoc}, volume = {93}, year = {1982}, zbl = {0464.10026}, url = {http://geodesic.mathdoc.fr/item/MOMA_1982__93_178060/} }
Wolfgang M. Schmidt. On Cubic Polynomials I.Hua's Estimate of Exponential Sums.. Monatshefte für Mathematik, Tome 93 (1982), pp. 63-74. http://geodesic.mathdoc.fr/item/MOMA_1982__93_178060/