@article{JRAM_1989__395_153120,
     author = {Hiroshi Ito},
     title = {On a product related to the cubic {Gauss} sum.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {202--213},
     publisher = {mathdoc},
     volume = {395},
     year = {1989},
     zbl = {0662.10027},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1989__395_153120/}
}