@article{MZ_1959__71_169821,
     author = {Melvin Henriksen},
     title = {Multiplicative summability methods and the {Stone-Cech} compactification.},
     journal = {Mathematische Zeitschrift},
     pages = {427--435},
     publisher = {mathdoc},
     volume = {71},
     year = {1959},
     zbl = {0096.03801},
     url = {http://geodesic.mathdoc.fr/item/MZ_1959__71_169821/}
}