On the Nonlinear Matrix Equation $\boldsymbol{X} + \boldsymbol{A}^∗ f_1(\boldsymbol{X})\boldsymbol{A} + \boldsymbol{B}^∗ f_2(\boldsymbol{X}) \boldsymbol{B} = \boldsymbol{Q}$. (2021). Communications in Mathematical Research, 29(3), 280-288. https://www.global-sci.com/index.php/cmr/article/view/8779