MathSciNet bibliographic data MR2289231 15A24 (65F10 65F30) Peng, Zhen-yun; El-Sayed, Salah M.; Zhang, Xiang-lin Iterative methods for the extremal positive definite solution of the matrix equation $X+A^\ast X^{-\alpha}A=Q$$X+A^\ast X^{-\alpha}A=Q$. J. Comput. Appl. Math. 200 (2007), no. 2, 520–527. Article

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