@article{ELMA_1986__41_141385,
     author = {Thomas Bier and Christoph Seidel},
     title = {Ein {Kettenkomplex} auf geordneten {Tupeln.}},
     journal = {Elemente der Mathematik},
     pages = {116--119},
     publisher = {mathdoc},
     volume = {41},
     year = {1986},
     zbl = {0615.55010},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1986__41_141385/}
}