@article{SPS_1989__23__531_0,
     author = {Letta, Giorgio},
     title = {Sur les th\'eor\`emes de {Hewitt-Savage} et de de {Finetti}},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {531--535},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {23},
     year = {1989},
     mrnumber = {1022936},
     zbl = {0731.60029},
     language = {fr},
     url = {http://www.numdam.org/item/SPS_1989__23__531_0/}
}