Sang , HaifengLiu , PanpanZhang , Shugong and Li , Qingchun. (2021). On the Nonlinear Matrix Equation $\boldsymbol{X} + \boldsymbol{A}^∗ f_1(\boldsymbol{X})\boldsymbol{A} + \boldsymbol{B}^∗ f_2(\boldsymbol{X}) \boldsymbol{B} = \boldsymbol{Q}$. Communications in Mathematical Research . 29 (3). 280-288. doi: