@article{JRAM_1967__228_150818,
     author = {Ekkehard Kr\"atzel},
     title = {Kubische und biquadratische {Gau{\ss}sche} {Summen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {159--165},
     publisher = {mathdoc},
     volume = {228},
     year = {1967},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1967__228_150818/}
}