@article{ELMA_1949__4_140507,
     author = {Alexander Aigner},
     title = {Gerade und ungerade {Permutationen} in geordneter {Reihenfolge.}},
     journal = {Elemente der Mathematik},
     pages = {52--54},
     publisher = {mathdoc},
     volume = {4},
     year = {1949},
     zbl = {0033.00701},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1949__4_140507/}
}