GEZAHAGNE MULAT ADDIS. Left-invertible Linear Transformations. International Journal of Mathematics And its Applications, [S. l.], v. 3, n. 3 - C, p. 41–48, 2015. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/466. Acesso em: 8 may. 2024.