MathSciNet bibliographic data MR2437986 15A24 Li, Jing; Zhang, Yu Hai The Hermitian positive definite solution and its perturbation analysis for the matrix equation \$X-A\sp *X\sp {-1}A=Q\$$X-A\sp *X\sp {-1}A=Q$. (Chinese) Math. Numer. Sin. 30 (2008), no. 2, 129–142. Journal

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