Felipe Cucker. Approximate Zeros and Condition Numbers. J. Complexity, 15(2):214-226, 1999. [doi]
@article{Cucker99, title = {Approximate Zeros and Condition Numbers}, author = {Felipe Cucker}, year = {1999}, doi = {10.1006/jcom.1999.0503}, url = {http://dx.doi.org/10.1006/jcom.1999.0503}, researchr = {https://researchr.org/publication/Cucker99}, cites = {0}, citedby = {0}, journal = {J. Complexity}, volume = {15}, number = {2}, pages = {214-226}, }