4X Y Peng, et al. An iteration method for the symmetric solutions and the optimal approximate solution of the matrix equation AXB = C[J]. Appl. Math. Comput., 2005, (160) :763 - 777.
5Z Y Peng. An iteration method for the least squares symmtric solution of the linear i matrix equation AXB = C [J]. Appl. Math. Comput., 2005, (170) : 711 - 723.
6Yuan Lei. A minimal residual algorithm for the inconsistent matrix equation AXB = C over symmetric matrices[J]. Appl. Math. Comput., 2007, (188) :499 - 513.