@article{JRAM_1978__301_152028,
     author = {Daniel B. Shapiro},
     title = {Hasse principle for the {Hurwitz} problem.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {179--190},
     publisher = {mathdoc},
     volume = {301},
     year = {1978},
     zbl = {0376.10018},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1978__301_152028/}
}