Some Relations Between Strong and Ordinary Borel-Type Methods of Summability. Bruce L.R. Shawyer — 1969 Mathematische Zeitschrift
Addendum to: Iteration Products of Methods of Summability and Natural Scales. Bruce L.R. Shawyer Manuscripta mathematica
Iteration Products of Methods of Summability and Natural Scales. Bruce L.R. Shawyer — 1974 Manuscripta mathematica
On the strong-Riesz mean-value theorem. Bruce L.R. Shawyer — 1979 Journal für die reine und angewandte Mathematik