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