Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1974__49_139573, author = {Ulrich Felgner}, title = {Abz\"ahlbarkeit und {Wohlordenbarkeit}}, journal = {Commentarii mathematici Helvetici}, pages = {114--124}, publisher = {mathdoc}, volume = {49}, year = {1974}, zbl = {0283.02046}, url = {http://geodesic.mathdoc.fr/item/CMH_1974__49_139573/} }
Ulrich Felgner. Abzählbarkeit und Wohlordenbarkeit. Commentarii mathematici Helvetici, Tome 49 (1974), pp. 114-124. http://geodesic.mathdoc.fr/item/CMH_1974__49_139573/