Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1974__29_141140, author = {O. Baier and W. Vinzenz}, title = {Der}, journal = {Elemente der Mathematik}, pages = {81--84}, publisher = {mathdoc}, volume = {29}, year = {1974}, url = {http://geodesic.mathdoc.fr/item/ELMA_1974__29_141140/} }
O. Baier; W. Vinzenz. Der. Elemente der Mathematik, Tome 29 (1974), pp. 81-84. http://geodesic.mathdoc.fr/item/ELMA_1974__29_141140/