1 “... that are particularly significant from a historical point of view, as well as those that can still be useful today...”

2 “.... In the reviewer's opinion, this is an important and well-written book which should help to stimulate research...”

3 “... with realizations that are increasing functions. This book is well-fitted for researchers, who need a thorough...”

4 “... local and therefore may be applied also to other types of reductive groups, in particular Sp2l as well...”