`... well-written, with many improvements of known results and existing proofs. The researchers and the graduate students will use this book both as a graduate textbook and as a useful reference...'
Zentralblatt MATH, 929 (2000)
Zentralblatt MATH, 929 (2000)
`... well-written, with many improvements of known results and existing proofs. The researchers and the graduate students will use this book both as a graduate textbook and as a useful reference...' Zentralblatt MATH, 929 (2000)