KUSHWAHA, J.; DHAKAL, B. Approximation of a Function Belonging to Lip ((α, r) Class by Np,q. C1 Summability Method of its Fourier Series. Nepal Journal of Science and Technology, [S. l.], v. 14, n. 2, p. 117–122, 2014. DOI: 10.3126/njst.v14i2.10424. Disponível em: https://www.nepjol.info/index.php/NJST/article/view/10424. Acesso em: 4 may. 2024.