@article{1077469829, author = {Martin, N. F. G.}, title = {Generalized condensation points}, journal = {Duke Math. J.}, volume = {28}, number = {1}, year = {1961}, pages = { 507-514}, language = {en}, url = {http://dml.mathdoc.fr/item/1077469829} }
Martin, N. F. G. Generalized condensation points. Duke Math. J., Tome 28 (1961) no. 1, pp. 507-514. http://gdmltest.u-ga.fr/item/1077469829/