@article{ELMA_1947__2_251499, author = {P. Frauenfelder}, title = {Berichtigung.}, journal = {Elemente der Mathematik}, pages = {48--48}, publisher = {mathdoc}, volume = {2}, year = {1947}, url = {http://geodesic.mathdoc.fr/item/ELMA_1947__2_251499/} }