Some remarks about the three spaces problem in Banach algebras Zbigniew Sawoń — 1978 Czechoslovak Mathematical Journal
A function algebra without any point derivation Krzysztof Jarosz; Zbigniew Sawoń — 1986 Časopis pro pěstování matematiky
A discontinuous function does not operate on the real part of a function algebra Krzysztof Jarosz; Zbigniew Sawoń — 1985 Časopis pro pěstování matematiky
The Moment Problem in the Space C... (S). Marek A. Kowalski; Zbigniew Sawon — 1984 Monatshefte für Mathematik
Corrigendum to "The Moment Problem in the Space C...(S)''. Marek A. Kowalski; Zbigniew Sawon — 1984 Monatshefte für Mathematik