Abstract
It is demonstrated that four classes of numerical sequences defined successively by S. A. Telyakovskiî, S. M. Mazhar, N. Singh and K. M. Sharma, and finally by S. Z. A. Zenei are identical.
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Leindler, L. On the Equivalence of Classes of Numerical Sequences. Analysis Mathematica 26, 227–234 (2000). https://doi.org/10.1023/A:1005657203064
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DOI: https://doi.org/10.1023/A:1005657203064