@article{SPS_1988__22__147_0,
     author = {\'Emery, Michel},
     title = {En cherchant une caract\'erisation variationnelle des martingales},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {147--154},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {22},
     year = {1988},
     mrnumber = {960521},
     zbl = {0647.60052},
     language = {fr},
     url = {http://archive.numdam.org/item/SPS_1988__22__147_0/}
}