Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1962__37_139258, author = {John Lamperti and Adriano Garsia}, title = {A {Discrete} {Renewal} {Theorem} with {Infinite} {Mean.}}, journal = {Commentarii mathematici Helvetici}, pages = {221--234}, publisher = {mathdoc}, volume = {37}, year = {1962}, zbl = {0114.08803}, url = {http://geodesic.mathdoc.fr/item/CMH_1962__37_139258/} }
John Lamperti; Adriano Garsia. A Discrete Renewal Theorem with Infinite Mean.. Commentarii mathematici Helvetici, Tome 37 (1962), pp. 221-234. http://geodesic.mathdoc.fr/item/CMH_1962__37_139258/