@article{GDZPPN001171186, title = {Simultaneous Inclusion of the Zeros of a Polynomial.}, journal = {Numerische Mathematik}, volume = {21}, year = {1973}, pages = {161-165}, zbl = {0267.65036}, url = {http://dml.mathdoc.fr/item/GDZPPN001171186} }
Hadeler, K.P.; Braess, D. Simultaneous Inclusion of the Zeros of a Polynomial.. Numerische Mathematik, Tome 21 (1973) pp. 161-165. http://gdmltest.u-ga.fr/item/GDZPPN001171186/