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2. A family of fourth order methods for nonlinear equations;King;SIAM Journal on Numerical Analysis,1973
3. Solution of Equations in Euclidean and Banach Spaces;Ostrowski,1960
4. Iterative Methods for the Solution of Equations;Traub,1964
5. An improvement to Ostrowski root-finding method;Grau;Applied Mathematics and Computation,2006