1. E. D. Romanov, Family of Measures on a Space of Curves that are Quasi-Invariant with Respect to Some Action of Diffeomorphisms Group IDAQP, 19 (3), (2016) (to appear).
2. R. S. Ismagilov, “On Unitary Representations of the Group of Diffeomorphisms of a CompactManifold,” Izv. Akad. Nauk SSSR Ser. Mat. 36 (1), 180–208 (1972) [Math USSR-Izv. 6 (1), 181–209 (1972) (1973)].
3. R. S. Ismagilov, “On Unitary Representations of the Group of Diffeomorphisms of the Space Rn, n ≥ 2,” Mat. Sb. (N.S.) 98 (140):1(9), 55–71 (1975) [Math USSR-Sb, 27 (1), 51-65 (1975)].
4. A. M. Vershik, I. M. Gel’fand, and M. I. Graev, “Representations of the Group of Diffeomorphisms,” Uspekhi Mat. Nauk 30 (6), 3–50 (1975) [in: Representation Theory, London Mathematical Society Lecture Note Series, 69, Cambridge University Press, Cambridge–New York, 1982, pp. 61–110].
5. E. T. Shavgulidze, “Some Properties of Quasi-Invariant Measures on Groups of Diffeomorphisms of the Circle,” Russ. J. Math. Phys. 7 (4), 464–472 (2000).