Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1972__19_132141, author = {R.B. Kellogg}, title = {On {Complex} {Eigenvalues} of {M} and {P} {Matrices.}}, journal = {Numerische Mathematik}, pages = {170--175}, publisher = {mathdoc}, volume = {19}, year = {1972}, url = {http://geodesic.mathdoc.fr/item/NUMA_1972__19_132141/} }
R.B. Kellogg. On Complex Eigenvalues of M and P Matrices.. Numerische Mathematik, Tome 19 (1972), pp. 170-175. http://geodesic.mathdoc.fr/item/NUMA_1972__19_132141/