S. K. Jassim and I. Z. Shamkhi, “Approximation of Functions in Lp, α (I) (0 < p < 1)”, IHJPAS, vol. 26, no. 2, pp. 334–347, Apr. 2017, Accessed: Nov. 24, 2024. [Online]. Available: https://jih.uobaghdad.edu.iq/index.php/j/article/view/481