@article{PORMA_1978__37_3-4_115346,
     author = {Keagy, T.A.},
     title = {Absolute summability and stretchings of sequences},
     journal = {Portugaliae mathematica},
     pages = {177--182},
     publisher = {mathdoc},
     volume = {37},
     number = {3-4},
     year = {1978},
     mrnumber = {0633022},
     zbl = {0468.40004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1978__37_3-4_115346/}
}