@article{10_4153_CMB_1992_015_4,
     author = {Lewis, D. W.},
     title = {Annihilating {Polynomials} and {Positive} {Forms}},
     journal = {Canadian mathematical bulletin},
     pages = {103--107},
     year = {1992},
     volume = {35},
     number = {1},
     doi = {10.4153/CMB-1992-015-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-015-4/}
}