@article{JRAM_1989__397_153132,
     author = {A. Fr\"ohlich},
     title = {L-values at zero and multiplicative {Galois} module structure (also {Galois} {Gauss} sums and additive {Galois} module structure).},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {42--99},
     publisher = {mathdoc},
     volume = {397},
     year = {1989},
     zbl = {0693.12012},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1989__397_153132/}
}