1. Indefinite Inner Product Spaces; Springer, Berlin–Heidelberg–New York 1974
2. Field operators as C∞-functions in space-like directions, II Nuovo Cimento XXXII, (1964) 1600–1613
3. and , Linear Operators, Part I: General Theory; Wiley, New York–London 1958
4. Local algebras of observables and pointlike localized fields
5. Fields at a point