1. Symplectic group, quantum mechanics and Anosov’s systems;Avez, André,1980
2. 3. P. R. Chernoff, Irreducible representations of infinite dimensional Lie algebras and groups, Abstracts Amer. Math. Soc. 2 (1981), 540; Abstract 81 T-22-528.
3. On induced representations of groups;Mackey, George W.;Amer. J. Math.,1951
4. Quantization and unitary representations. I. Prequantization;Kostant, Bertram,1970