[1] BOR H.:
On the relative strength of two absolute summability methods. Proc. Amer. Math. Soc. 113 (1991), 1009-1012.
MR 1068115 |
Zbl 0743.40007
[2] BOR H.:
A note on two absolute summability methods. Proc. Indian Acad. Sci. 102 (1992), 125-128.
MR 1195736 |
Zbl 0766.40004
[3] FLETT T. M.:
Some more theorems concerning the absolute summability of Fourier series. Proc. London Math. Soc. 8 (1958), 357-387.
MR 0102693 |
Zbl 0109.04502
[6] SULAIMAN W. T.:
A study on a relation between two summability methods. Proc. Amer. Math. Soc. 115 (1992), 303-312.
MR 1056685 |
Zbl 0756.40008