@article{AIF_1969__19_2_533_0, author = {Berg, I. D. and Rubel, L. A.}, title = {Densities on locally compact abelian groups}, journal = {Annales de l'Institut Fourier}, volume = {19}, year = {1969}, pages = {533-533}, doi = {10.5802/aif.335}, mrnumber = {41 \#4134}, zbl = {0176.11602}, mrnumber = {259496}, language = {en}, url = {http://dml.mathdoc.fr/item/AIF_1969__19_2_533_0} }
Berg, I. D.; Rubel, L. A. Densities on locally compact abelian groups. Annales de l'Institut Fourier, Tome 19 (1969) p. 533. doi : 10.5802/aif.335. http://gdmltest.u-ga.fr/item/AIF_1969__19_2_533_0/