Voir la notice de l'article provenant de la source European Digital Mathematics Library
@misc{ELMA_1972__27_141053, title = {Mitteilung.}, journal = {Elemente der Mathematik}, pages = {48--48}, publisher = {mathdoc}, volume = {27}, year = {1972}, url = {http://geodesic.mathdoc.fr/item/ELMA_1972__27_141053/} }
Mitteilung.. Elemente der Mathematik, Tome 27 (1972), p. 48. http://geodesic.mathdoc.fr/item/ELMA_1972__27_141053/