Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1980__20_134403, author = {A. Janssen}, title = {A general purity law for convolution semigroups with discrete {Levy} measure.}, journal = {Semigroup forum}, pages = {55--72}, publisher = {mathdoc}, volume = {20}, year = {1980}, zbl = {0442.60015}, url = {http://geodesic.mathdoc.fr/item/SF_1980__20_134403/} }
A. Janssen. A general purity law for convolution semigroups with discrete Levy measure.. Semigroup forum, Tome 20 (1980), pp. 55-72. http://geodesic.mathdoc.fr/item/SF_1980__20_134403/