The last exercises may address the chapter as a whole rather than a specific section. Difficult exercises are marked with an asterisk, and more challenging exercises have two asterisks. A solutions manual containing solutions to almost all the exercises is available to instructors from the Addison-Wesley Publishing Company. References References are placed at the end of each chapter. Generally the references either are historical, representing the original source of the material, or they represent extensions and improvements to the results given in the text.
Some references represent solutions to exercises.
The exact location of this material may change. Acknowledgments Many, many people have helped me in the preparation of books in this series. For this edition, I would like to thank my editors at Addison-Wesley, Carter Shanklin and Susan Hartman. Teri Hyde did another wonderful job with the production, and Matthew Harris and his staff at Publication Services did their usual fine work putting the final pieces together.