@article{CRMATH_2016__354_6_623_0,
     author = {Fraisse, Gabriel and Viguier-Pla, Sylvie},
     title = {A weak characterization of real {Wishart} matrices by quadratic forms},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {623--627},
     publisher = {Elsevier},
     volume = {354},
     number = {6},
     year = {2016},
     doi = {10.1016/j.crma.2016.03.011},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2016.03.011/}
}