@article{JLT_2001_11_2_JLT_2001_11_2_a8,
     author = {D. Arnal and O. B. Baoua and C. Benson and G. Ratcliff },
     title = {Invariant {Theory} for the {Orthogonal} {Group} via {Star} {Products}},
     journal = {Journal of Lie theory},
     pages = {441--458},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2001},
     url = {http://geodesic.mathdoc.fr/item/JLT_2001_11_2_JLT_2001_11_2_a8/}
}