Neretin Yu. A. Categories of symmetries and infinite-dimensional groups. London Mathematical Society Monographs. New Series, 16. Oxford Science Publications. The Clarendon Press, Oxford University Press, New York, 1996. xiv+417 pp.; Russian variant: URSS, 1998.
Neretin Yu. A. Representations of Virasoro algebra and affine algebras // Current problems in mathematics. Fundamental directions, vol. 22 (Russian), 163–224; Itogi Nauki i Tekhniki, Akad. Nauk SSSR, Vsesoyuz. Inst. Nauchn. i Tekhn. Inform., Moscow, 1988. English transl.: Representation theory and noncommutative harmonic analysis. I, 157–234; Encyclopaedia Math. Sci., 22, Springer, Berlin, 1994.
Neretin Yu. A. Almost invariant structures and constructions of unitary representations of the group of diffeomorphisms of the circle // Dokl. Akad. Nauk SSSR 294 (1987), no. 1, 37–41. English transl.: Soviet Math. Dokl. 35 (1987), no. 3, 500–504.
Neretin Yu. A. Holomorphic continuations of representations of the group of diffeomorphisms of the circle // Mat. Sb. 180 (1989), no. 5, 635–657, 720.
Neretin Yu. A. Plancherel formula for Berezin deformation of $L^2$ on Riemannian symmetric space. Preprint, available via http://www.arXiv.org/math.RT/9911020.