@article{ELMA_1967__22_140835,
     author = {F. Leuenberger},
     title = {Zu einer {Frage} von {E.} {Szekeres.}},
     journal = {Elemente der Mathematik},
     pages = {16--17},
     publisher = {mathdoc},
     volume = {22},
     year = {1967},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1967__22_140835/}
}