Chapter 8 Chapter 8, new version ,
added June 3, corrected some misprints: Limits on the sum in (8.1) and below, and product index in the displayed formula in Theorem 8.7. In addition there was an integer
l+1 in the text of Theorem 8.7 that has now been changed to the (correct) value r+1.
Chapter 9 Chapter 9, new version ,
added May 7, major corrections. Be aware of misprints! Chapter 9, new version ,
added May 9, edited the comments in the last section. Be still aware of misprints! Chapter 9, new version ,
added May 10, some misprints corrected, other minor changes. Chapter 9, new version ,
added June 3, some misprints corrected: K_d in Theorem 9.1 has been changed to C_d, the constant D_d in the proof of Theorem 9.2
on page 191 is given by D_d=(K_d+1)C_d.