@article{JCA_2011_18_1_JCA_2011_18_1_a2,
     author = {P. Niemiec and T.-Y. Tam},
     title = {A {Representation} of {G-invariant} norms for {Eaton} {Triple}},
     journal = {Journal of convex analysis},
     pages = {59--65},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/JCA_2011_18_1_JCA_2011_18_1_a2/}
}