1. Souriau, J.M.: Structure des Systemes dynamiques. Paris: Dunod 1970; Kostant, B.: Quantization and Unitary Representation. In: Lecture Notes in Mathematics, Vol. 179, Berlin, Heidelberg, New York: Springer 1970; Kirillov, A.A.: Elements of the Theory of Representations. Berlin, Heidelberg, New York: Springer 1975
2. Witten, E.: Commun. Math. Phys.114, 1 (1988); Segal, G.: Commun. Math. Phys.80, 307 (1981)
3. Ne'eman, Y., Regge, T.: Gauge theory of gravity and supergravity on a group manifold. Riv. Nuovo Cim.1 fasc. 5 (1978)
4. Bayen, F., Flato, M., Fronsdal, C., Lichnerowicz, A., Sternheiner, D.: Deformation theory and quantization. I: deformation of symplectic structures. Ann. Phys.111, 61 (1978); Deformation theory and quantization. II: physical applications. Ann. Phys.111, 111 (1978)
5. Aldaya, V., de Azcárraga, J.A.: J. Math. Phys.23, 1297 (1982); Fortschr. Phys.35, 437 (1987); Proceeding of the Conference on “Constraints Theory and Relativistic Dynamics,” Firence 1986, Singapore: World Scientific, Longhi, G., Lusana, L. (eds.)