Aziz, Rafia, and K. N. Rajeswari. “A Note on 2x2 Uniquely Clean Idempotent Matrices and Strongly Clean Matrices”. Research Highlights in Mathematics and Computer Science Vol. 1 (September 16, 2022): 104–118. Accessed June 10, 2026. https://stm.bookpi.org/RHMCS-V1/article/view/8246.