1. Borcherds, R.E.: Vertex algebras, Kac-Moody algebras and the Monster. Proc. Natl. Acad. Sci. 83, 3068–3071 (1986)
2. Belavin, A., Polyakov, A., Zamolodchikov, A.: Infinite conformal symmetries in two-dimensional quantum field theory. Nucl. Phys. B 241, 333–380 (1984)
3. Ben-Zvi, D., Frenkel, E.: Vertex algebras and algebraic curves. Mathematical Surveys and Monographs, vol. 88. American Mathematical Society, Providence, (2001); 2nd edn. (2004)
4. Beilinson, A., Drinfeld, V.: Quantization of Hitchin’s integrable system and Hecke eigensheaves. Preprint (1997)
5. Cooloquim Publications;A Beilinson,2004