SULAIMAN, W. (1998). ON A NEW ABSOLUTE SUMMABILITY METHOD. International Journal of Mathematics and Mathematical Sciences, 1998(), 603-606. https://doi.org/10.1155/S0161171298000830
Rhoades, B. E., & Savaş, E. (2010). On |A|(subscript k) Summability Factors of Infinite Series. Proceedings of the Estonian Academy of Sciences, 59(3), 201-206. https://www.airitilibrary.com/Article/Detail?DocID=17367530-201009-201010290095-201010290095-201-206
Ibrahim, R. W. (2011). Stability of Admissible Functions. International Journal of Mathematics and Mathematical Sciences, 2011(), 492-498-041. https://doi.org/10.1155/2011/342895