1. Harmonic Analysis and Representations of Semisimple Lie Groups;Blattner,1980
2. The eigenfunction expansion theorem for the general self-adjoint singular elliptic partial differential operator, I;Browder,1954
3. The eigenfunction expansion theorem for the general self-adjoint singular elliptic partial differential operator, II;Browder,1956
4. The eigenfunction expansion theorem for the general self-adjoint singular elliptic partial differential operator, II;Browder,1956
5. On Mautner's eigenfunction expansion;Bade,1956