CHRISTENSEN, E. The block Schur product is a Hadamard product. MATHEMATICA SCANDINAVICA, [S. l.], v. 126, n. 3, p. 603–616, 2020. DOI: 10.7146/math.scand.a-121069. Disponível em: https://www.mscand.dk/article/view/121069. Acesso em: 23 apr. 2024.