@misc{ELMA_1966__21_251511,
     title = {Berichtigung.},
     journal = {Elemente der Mathematik},
     pages = {48--48},
     publisher = {mathdoc},
     volume = {21},
     year = {1966},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1966__21_251511/}
}