On Some Classes of Variationally Derived Quasi-Newton Methods for Systems of Nonlinear Algebraic Equations. E. Spedicato; J. Greenstadt Numerische Mathematik
The Local Convergence of ABS Methods for Nonlinear Algebraic Equations. E. Spedicato; J. Abaffy; A. Galántai — 1987 Numerische Mathematik
A Class of Direct Methods for Linear Systems. E. Spedicato; J. Abaffy; C. Broyden — 1984 Numerische Mathematik