RUSSIAN MATHEMATICS, cilt.65, sa.11, ss.29-33, 2021 (ESCI)
In this paper, a theorem on vertical bar C, alpha vertical bar(k) summability of an infinite series is generalized for the phi - vertical bar C, alpha;delta vertical bar(k) summability method. Also, a known result dealing with vertical bar C,1 vertical bar(k) summability is given.