@article{ELMA_1970__25_140963,
     author = {E.T. Steller},
     title = {Theorems related to {Wallace's} {(Simson's)} {Line.}},
     journal = {Elemente der Mathematik},
     pages = {28--34},
     publisher = {mathdoc},
     volume = {25},
     year = {1970},
     zbl = {0187.42404},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1970__25_140963/}
}