@article{JRAM_1988__391_153076,
     author = {H.M. Farkas},
     title = {Remarks on {Clifford} indices.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {213--220},
     publisher = {mathdoc},
     volume = {391},
     year = {1988},
     zbl = {0651.14018},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1988__391_153076/}
}