@article{1077473610, author = {Manning, Rhoda}, title = {Open and closed transformations}, journal = {Duke Math. J.}, volume = {13}, number = {1}, year = {1946}, pages = { 179-184}, language = {en}, url = {http://dml.mathdoc.fr/item/1077473610} }
Manning, Rhoda. Open and closed transformations. Duke Math. J., Tome 13 (1946) no. 1, pp. 179-184. http://gdmltest.u-ga.fr/item/1077473610/