@article{10_4153_CMB_1999_001_6, author = {Beauzamy, Bernard}, title = {How the {Roots} of a {Polynomial} {Vary} with its {Coefficients:} {A} {Local} {Quantitative} {Result}}, journal = {Canadian mathematical bulletin}, pages = {3--12}, year = {1999}, volume = {42}, number = {1}, doi = {10.4153/CMB-1999-001-6}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1999-001-6/} }