@article{1077493523, author = {Salem, R. and Spencer, D. C.}, title = {The influence of gaps on density of integers}, journal = {Duke Math. J.}, volume = {9}, number = {1}, year = {1942}, pages = { 855-872}, language = {en}, url = {http://dml.mathdoc.fr/item/1077493523} }
Salem, R.; Spencer, D. C. The influence of gaps on density of integers. Duke Math. J., Tome 9 (1942) no. 1, pp. 855-872. http://gdmltest.u-ga.fr/item/1077493523/