@article{JRAM_1969__235_150922,
     author = {Klaus Burde},
     title = {Ein rationales biquadratisches {Reziprozit\"atsgesetz.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {175--184},
     publisher = {mathdoc},
     volume = {235},
     year = {1969},
     zbl = {0169.36902},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1969__235_150922/}
}