@article{JRAM_1987__382_152989,
     author = {Tsuyoshi Uehara},
     title = {On a congruence relation between {Jacobi} sums and cyclotomic units.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {199--214},
     publisher = {mathdoc},
     volume = {382},
     year = {1987},
     zbl = {0646.12002},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1987__382_152989/}
}