no. 4
A theorem on generalized absolute Riesz summability
Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche, Série 3, Tome 19 (1965) no. 4, pp. 513-518. 
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     title = {A theorem on generalized absolute {Riesz} summability},
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Mazhar, S. M. A theorem on generalized absolute Riesz summability. Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche, Série 3, Tome 19 (1965) no. 4, pp. 513-518. http://www.numdam.org/item/ASNSP_1965_3_19_4_513_0/

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