@article{ELMA_1982__37_141295,
     author = {J. Jeger},
     title = {Komplexe {Zahlen} in der {Elementargeometrie.}},
     journal = {Elemente der Mathematik},
     pages = {136--147},
     publisher = {mathdoc},
     volume = {37},
     year = {1982},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1982__37_141295/}
}