Voir la notice de l'article provenant de la source European Digital Mathematics Library
@misc{ELMA_1968__23_140878, title = {Mitteilung.}, journal = {Elemente der Mathematik}, pages = {24--24}, publisher = {mathdoc}, volume = {23}, year = {1968}, url = {http://geodesic.mathdoc.fr/item/ELMA_1968__23_140878/} }
Mitteilung.. Elemente der Mathematik, Tome 23 (1968), p. 24. http://geodesic.mathdoc.fr/item/ELMA_1968__23_140878/