Celebratio Mathematica

B. L. Fei­gin and D. B. Fuks: “Rep­res­ent­a­tions of the Vi­ra­s­oro al­gebra,” pp. 78–​94 in Met­ody to­po­lo­gii i rim­ano­voj geo­met­rii v matem­aticheskoj fiz­ike [Meth­ods of to­po­logy and Rieman­ni­an geo­metry in math­em­at­ic­al phys­ics] (Druskininkai, Lithuania, 23–27 May 1983). Edi­ted by A. Matuzyavichy­us. Min­is­ter­stvo Vysshego i Sred­ne­go Spet­si­al’nogo Obrazovan­iya Litovskoj SSR (Vil­ni­us), 1984. This was later de­veloped in a 1986 Stock­holm Uni­versity re­search re­port and then fur­ther in Rep­res­ent­a­tion of Lie groups and re­lated top­ics (1990). Zbl 0642.​17007 incollection