Key points are not available for this paper at this time.
CONTENTS Introduction § 1. Induced representations § 2. Representations of Lie algebras and infinitesimal group rings § 3. A special nilpotent group N § 4. Nilpotent Lie groups with one-dimensional centre § 5. Description of the representations of nilpotent Lie groups § 6. Orbits and representations § 7. Representations of the group ring § 8. Some generalizations and unsolved problems § 9. Examples References
A. A. Kirillov (Fri,) studied this question.