@article{PORMA_1988__45_2_115617,
     author = {Bor, H\"useyin},
     title = {On the absolute $\varphi $-summability factors of infinite series},
     journal = {Portugaliae mathematica},
     pages = {131--138},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {1988},
     mrnumber = {0952531},
     zbl = {0657.40006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1988__45_2_115617/}
}