Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1897__48_157823, author = {Otto Bierbaum}, title = {Ueber {Functionen} zweier reeller {Variablen}}, journal = {Mathematische Annalen}, pages = {393--400}, publisher = {mathdoc}, volume = {48}, year = {1897}, url = {http://geodesic.mathdoc.fr/item/MAN_1897__48_157823/} }
Otto Bierbaum. Ueber Functionen zweier reeller Variablen. Mathematische Annalen, Tome 48 (1897), pp. 393-400. http://geodesic.mathdoc.fr/item/MAN_1897__48_157823/