Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MOMA_1982__93_178065, author = {Wolfgang M. Schmidt}, title = {On {Cubic} {Polynomials} {II.} {Multiple} {Exponential} {Sums.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {141--168}, publisher = {mathdoc}, volume = {93}, year = {1982}, zbl = {0471.10029}, url = {http://geodesic.mathdoc.fr/item/MOMA_1982__93_178065/} }
Wolfgang M. Schmidt. On Cubic Polynomials II. Multiple Exponential Sums.. Monatshefte für Mathematik, Tome 93 (1982), pp. 141-168. http://geodesic.mathdoc.fr/item/MOMA_1982__93_178065/