Surajit BHATTACHARYYA. Classical Algebra: Matrix Multiplication (The Rule of Vacancies). Theory and Practice of Mathematics and Computer Science Vol. 11, [S. l.], p. 108–111, 2021. DOI: 10.9734/bpi/tpmcs/v11/2027F. Disponível em: https://stm.bookpi.org/TPMCS-V11/article/view/1314. Acesso em: 22 jul. 2026.