@article{1077471785, author = {Goffman, Casper}, title = {The approximation of arbitrary biunique transformations}, journal = {Duke Math. J.}, volume = {10}, number = {1}, year = {1943}, pages = { 1-4}, language = {en}, url = {http://dml.mathdoc.fr/item/1077471785} }
Goffman, Casper. The approximation of arbitrary biunique transformations. Duke Math. J., Tome 10 (1943) no. 1, pp. 1-4. http://gdmltest.u-ga.fr/item/1077471785/