Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1980_10_Nonea_7, author = {Pilipovi\'c Stevan and Taka\v{c}i Arpad}, title = {Convolutions in the countable union of exponential distributions}, journal = {Novi Sad Journal of Mathematics}, pages = {63-70}, publisher = {mathdoc}, volume = {10}, year = {1980}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1980_10_Nonea_7/} }
Pilipović Stevan; Takači Arpad. Convolutions in the countable union of exponential distributions. Novi Sad Journal of Mathematics, Tome 10 (1980). http://geodesic.mathdoc.fr/item/NSJOM_1980_10_Nonea_7/