Necessary and sufficient conditions are obtained for a pair of matrix equations AX = C and XB = D to have common Re-nnd and Re-pd solutions and the explicit representations of the general common Re-nnd and Re-pd solutions are given when the stated conditions hold.

中文翻译：

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矩阵方程AX = C，XB = D的Rennd和Re-pd解

为一对矩阵方程AX  =  C和XB  =  D获得具有公共Re-nnd和Re-pd解的充要条件，当给出方程时，给出了一般公共Re-nnd和Re-pd解的明确表示。陈述的条件成立。