@article{1102986023, author = {Duncan, R. L.}, title = {Some continuity properties of the Schnirelmann density.}, journal = {Pacific J. Math.}, volume = {27}, number = {3}, year = {1968}, pages = { 57-58}, language = {en}, url = {http://dml.mathdoc.fr/item/1102986023} }
Duncan, R. L. Some continuity properties of the Schnirelmann density.. Pacific J. Math., Tome 27 (1968) no. 3, pp. 57-58. http://gdmltest.u-ga.fr/item/1102986023/