Voir la notice de l'article provenant de la source European Digital Mathematics Library
@misc{ELMA_1970__25_140981, title = {Neue {Aufgaben.}}, journal = {Elemente der Mathematik}, pages = {91--92}, publisher = {mathdoc}, volume = {25}, year = {1970}, url = {http://geodesic.mathdoc.fr/item/ELMA_1970__25_140981/} }
Neue Aufgaben.. Elemente der Mathematik, Tome 25 (1970), pp. 91-92. http://geodesic.mathdoc.fr/item/ELMA_1970__25_140981/