@article{SPS_1983__17__398_0,
     author = {Nualart, David},
     title = {Diff\'erents types de martingales \`a deux indices},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {398--417},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {17},
     year = {1983},
     mrnumber = {770429},
     zbl = {0507.60038},
     language = {fr},
     url = {http://archive.numdam.org/item/SPS_1983__17__398_0/}
}