1. Deformation Theory and Quantization, I;Bayen;Annals of Physics,1978
2. Deformation Theory and Quantization, II;Bayen;Annals of Physics,1978
3. On Certain Unitary Representations Which Arise From A Quantization Theory;Kostant;Lect. Notes in Math.,1970
4. On Certain Unitary Representations Which Arise From A Quantization Theory;Kostant;Lect. Notes in Math.,1970
5. Unitary Representations of Nilpotent Lie Groups;Kirillov;Ups. Mat. Nauk.,1962