Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1996__53_2_135494, author = {T.M. Bisgaard}, title = {Separation by characters or positive definite functions.}, journal = {Semigroup forum}, pages = {317--320}, publisher = {mathdoc}, volume = {53}, number = {2}, year = {1996}, zbl = {0867.43002}, url = {http://geodesic.mathdoc.fr/item/SF_1996__53_2_135494/} }
T.M. Bisgaard. Separation by characters or positive definite functions.. Semigroup forum, Tome 53 (1996) no. 2, pp. 317-320. http://geodesic.mathdoc.fr/item/SF_1996__53_2_135494/