1. BasartH., FlatoM., LichnerowiczA., and ?ternheimer, D., C.R. Acad. Sci. Paris 298 I, 405 (1984); Lett. Math. Phys. 8 483?494 (1984).
2. BayenF., FlatoM., FronsdalC., LichnerowiczA., and SternheimerD., Ann. Phys. (NY) 111, 61?151 (1978); Lichnerowicz, A., ?Quantum Mechanics and Deformation of Geometrical Dynamics?, in A. O. Barut (ed.), Quantum Theory, Groups, Fields and Particles, D. Reidel, Dordrecht, 1983, pp 3?82.
3. BasartH. and LichnerowiczA., C.R. Acad. Sci. Paris 293 I, 347 (1981).
4. Rubio, R., C.R. Acad. Sci. Paris 299 I (1984).
5. Notations of [1].