Voir la notice de l'article provenant de la source European Digital Mathematics Library
@misc{ELMA_1973__28_141099, title = {Mitteilungen.}, journal = {Elemente der Mathematik}, pages = {56--56}, publisher = {mathdoc}, volume = {28}, year = {1973}, url = {http://geodesic.mathdoc.fr/item/ELMA_1973__28_141099/} }
Mitteilungen.. Elemente der Mathematik, Tome 28 (1973), p. 56. http://geodesic.mathdoc.fr/item/ELMA_1973__28_141099/