@article{10_4153_CMB_1973_035_3,
     author = {Hanson, D.},
     title = {On a {Theorem} of {Sylvester} and {Schur}},
     journal = {Canadian mathematical bulletin},
     pages = {195--199},
     year = {1973},
     volume = {16},
     number = {2},
     doi = {10.4153/CMB-1973-035-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-035-3/}
}