@article{ELMA_1985__40_141355,
     author = {P. Baptist},
     title = {\"Uber ein {Trapez} aus merkw\"urdigen {Punkten} des {Dreiecks.}},
     journal = {Elemente der Mathematik},
     pages = {47--51},
     publisher = {mathdoc},
     volume = {40},
     year = {1985},
     zbl = {0567.51015},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1985__40_141355/}
}