Originally published in 1961, this Classics edition continues to be appealing because it describes a large number of techniques still useful today. Although the
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi
A self-contained and systematic development of an aspect of analysis which deals with the theory of fundamental solutions for differential operators, and their
The main change in this edition is the inclusion of exercises with answers and hints. This is meant to emphasize that this volume has been written as a general
This book contains a systematic exposition of the facts relating to partial differential equations with constant coefficients. The study of systems of equations