AYHAN ESI; N. SUBRAMANIAN. The Triple $\chi^{3}$ Sequence Spaces. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 2 - A, p. 115–123, 2017. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/799. Acesso em: 19 may. 2024.