Voir la notice de l'article provenant de la source European Digital Mathematics Library
@misc{ELMA_1968__23_140876, title = {Neue {Aufgaben.}}, journal = {Elemente der Mathematik}, pages = {17--18}, publisher = {mathdoc}, volume = {23}, year = {1968}, url = {http://geodesic.mathdoc.fr/item/ELMA_1968__23_140876/} }
Neue Aufgaben.. Elemente der Mathematik, Tome 23 (1968), pp. 17-18. http://geodesic.mathdoc.fr/item/ELMA_1968__23_140876/