@article{JRAM_1975__272_151533,
     author = {Klaus Burde},
     title = {\"Uber allgemeine {Sequenzen} der {L\"ange} 3 von {Legendresymbolen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {203--216},
     publisher = {mathdoc},
     volume = {272},
     year = {1975},
     zbl = {0295.10041},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1975__272_151533/}
}