Convex Ideals and Positive Multiplicative Forms in Partially Ordered Algebras. George Maltese — 1961 Mathematica Scandinavica
Spectral representations for solutions of certain abstract functional equations George Maltese Compositio Mathematica
A linear Radon-Nikodym type theorem for C * -algebras with applications to measure theory George Maltese; Gerd Niestegge — 1987 Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
A characterization of homomorphisms in certain Banach involution algebras George Maltese; Regina Wille-Fier — 1988 Studia Mathematica