@article{JRAM_1970__241_151007,
     author = {Egon Joachim},
     title = {Projektive {Darstellungen} in der {Galoisschen} {Theorie.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {209--220},
     publisher = {mathdoc},
     volume = {241},
     year = {1970},
     zbl = {0191.04304},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1970__241_151007/}
}