@article{JRAM_1919__149_149486,
     author = {W. Welmin},
     title = {Das quadratische {Reziprozit\"atsgesetz} im beliebigen quadratischen {K\"orper.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {147--173},
     publisher = {mathdoc},
     volume = {149},
     year = {1919},
     zbl = {47.0143.02},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1919__149_149486/}
}