TAM, BIT-SHUN, and PO-HONG LIOU. “LINEAR TRANSFORMATIONS WHICH MAP THE CLASS OF INVERSE M-MATRICES ONTO ITSELF”. Tamkang Journal of Mathematics 21, no. 2 (June 1, 1990): 159–167. Accessed March 28, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4651.