@article{ELMA_1956__11_140658,
     author = {E. Trost},
     title = {Vierter \"osterreichischer {Mathematikerkongress.}},
     journal = {Elemente der Mathematik},
     pages = {139--140},
     publisher = {mathdoc},
     volume = {11},
     year = {1956},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1956__11_140658/}
}