@article{PORMA_1989__46_2_115664,
     author = {Al-Madi, Azmi K.},
     title = {An extension of the {Rogosinski-Bernstein} summability methods},
     journal = {Portugaliae mathematica},
     pages = {209--218},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1989},
     mrnumber = {1020969},
     zbl = {0707.40007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1989__46_2_115664/}
}