@article{MAN_1990__287_1_164679,
     author = {Quanhua Xu},
     title = {Convexit\'es uniformes et in\'egalit\'es de martingales.},
     journal = {Mathematische Annalen},
     pages = {193--212},
     publisher = {mathdoc},
     volume = {287},
     number = {1},
     year = {1990},
     zbl = {0675.46008},
     url = {http://geodesic.mathdoc.fr/item/MAN_1990__287_1_164679/}
}