Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1951__123_160249, author = {P. Lorenzen}, title = {\"Uber endliche {Mengen.}}, journal = {Mathematische Annalen}, pages = {331--338}, publisher = {mathdoc}, volume = {123}, year = {1951}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MAN_1951__123_160249/} }
P. Lorenzen. Über endliche Mengen.. Mathematische Annalen, Tome 123 (1951), pp. 331-338. http://geodesic.mathdoc.fr/item/MAN_1951__123_160249/