Voir la notice de l'article provenant de la source European Digital Mathematics Library
@misc{ELMA_1968__23_140902, title = {Mitteilung.}, journal = {Elemente der Mathematik}, pages = {120--120}, publisher = {mathdoc}, volume = {23}, year = {1968}, url = {http://geodesic.mathdoc.fr/item/ELMA_1968__23_140902/} }
Mitteilung.. Elemente der Mathematik, Tome 23 (1968), p. 120. http://geodesic.mathdoc.fr/item/ELMA_1968__23_140902/