"...the book is a valuable one, one that many applied mathematicians may
want to buy. The authors are undeniably experts in their field...most of
the material has appeared in no other book." SIAM News (Review of
1st/e)....Key features of this significantly expanded second edition:
addition of several new chapters and sections, including a presentation
of time-domain asymptotics needed for the understanding of wavelet
theory * extensive examples and problem sets * useful bibliography and
index.