@article{ELMA_1975__30_251518,
     author = {P. Erd\"os},
     title = {Berichtigung.},
     journal = {Elemente der Mathematik},
     pages = {91--91},
     publisher = {mathdoc},
     volume = {30},
     year = {1975},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1975__30_251518/}
}