PLOYMUKDA, A.; CHANSANGIAM, P. Refinements and Reverses of Operator Callebaut Inequality Involving Tracy-Singh Products and Khatri-Rao Products. Communications in Mathematics and Applications, [S. l.], v. 9, n. 4, p. 529–540, 2018. DOI: 10.26713/cma.v9i4.1096. Disponível em: http://www.rgnpublications.com/journals/index.php/cma/article/view/1096. Acesso em: 3 may. 2024.