%0 Journal Article %A Al-Madi, Azmi K. %T An extension of the Rogosinski-Bernstein summability methods %J Portugaliae mathematica %D 1989 %P 209-218 %V 46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1989__46_2_115664/ %G en %F PORMA_1989__46_2_115664