@article{ELMA_1963__18_140768,
     author = {W. Wunderlich},
     title = {Zwei instruktive {Trugschl\"usse.}},
     journal = {Elemente der Mathematik},
     pages = {73--76},
     publisher = {mathdoc},
     volume = {18},
     year = {1963},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1963__18_140768/}
}