MathSciNet bibliographic data MR2555051 (2010j:15020) 15A24 Li, Jing; Zhang, Yuhai Perturbation analysis of the matrix equation \$X-A\sp *X\sp {-p}A=Q\$$X-A\sp *X\sp {-p}A=Q$. Linear Algebra Appl. 431 (2009), no. 9, 1489–1501. Article

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