RAY, S.; SHRESTHA, S. K. Summability, Some Sequence, Some Sequence Spaces and Their Matrix Transformations. Journal of Advanced Academic Research, [S. l.], v. 1, n. 1, p. 29–35, 2015. DOI: 10.3126/jaar.v1i1.13509. Disponível em: https://www.nepjol.info/index.php/JAAR/article/view/13509. Acesso em: 6 may. 2024.