Voir la notice de l'article provenant de la source European Digital Mathematics Library
@misc{ELMA_1972__27_141062, title = {Neue {Aufgaben.}}, journal = {Elemente der Mathematik}, pages = {67--68}, publisher = {mathdoc}, volume = {27}, year = {1972}, url = {http://geodesic.mathdoc.fr/item/ELMA_1972__27_141062/} }
Neue Aufgaben.. Elemente der Mathematik, Tome 27 (1972), pp. 67-68. http://geodesic.mathdoc.fr/item/ELMA_1972__27_141062/