1. Automorphic pseudodifferential operators;Cohen,1995
2. C. Duval, V. Ovsienko. Space of second order linear differential operators as a module over the Lie algebra of vector fields. To appear in Advances in Math.
3. Cohomology of Infinite Dimensional Lie Algebras;Fuks,1986
4. Space of linear differential operators on the real line as a module over the Lie algebra of vector fields;Gargoubi;Int. Res. Math. Notes,1996