0. Introduction 1. Techniques used in the proof 2. Initial study of $QĤ{even}$ 3. Initial study of $QĤ{odd}$ 4. Further study of $QĤ*$ 5. $QĤ*$ in low degrees 6. Proof of corollaries Appendix
Notes
"July 1991, volume 92, number 449 (second of 4 numbers)."
Bibliography
Includes bibliographical references (pages 115-116)