@article{GDZPPN002058111, title = {A Discrete Renewal Theorem with Infinite Mean.}, journal = {Commentarii mathematici Helvetici}, volume = {37}, year = {1962}, pages = {221-234}, zbl = {0114.08803}, url = {http://dml.mathdoc.fr/item/GDZPPN002058111} }
Lamperti, John; Garsia, Adriano. A Discrete Renewal Theorem with Infinite Mean.. Commentarii mathematici Helvetici, Tome 37 (1962) pp. 221-234. http://gdmltest.u-ga.fr/item/GDZPPN002058111/