1. For a brief account of the basic structures of QM∞, with emphasis on their interdisciplinary interest, see e.g. F. Strocchi, Elements of Quantum Mechanics of Infinite Systems, World Scientific, Singapore 1985.
2. I.E. Segal, Ann. Math. 48, 930 (1947).
3. R. Haag, in Les Problèmes Mathematiques de la Théorie Quantique des Champs, Coll. Inter. CNRS, Paris 1959
4. R. Haag and D. Kastler, J. Math. Phys. 5, 848 (1964).
5. O. Brattelli and D.W. Robinson, Operator Algebras and Quantum Statistical Mechanics, Vol. I Springer 1979; Vol. II, Springer 1981.