""Plane Waves And Spherical Means: Applied To Partial Differential Equations"" by John, Fritz is a comprehensive guide to the application of plane waves and spherical means in solving partial differential equations. The book covers a wide range of topics, including the theory of Fourier series and integrals, the Laplace and Poisson equations, and the wave equation. It also provides an introduction to the theory of distributions and the use of Green's functions in solving boundary value problems. The book is written in a clear and concise style, making it accessible to both graduate students and researchers in mathematics and physics. It includes numerous examples and exercises to help readers develop their understanding of the material. Overall, ""Plane Waves And Spherical Means: Applied To Partial Differential Equations"" is an essential resource for anyone interested in the application of mathematical methods to the study of physical phenomena.Interscience Tracts In Pure And Applied Mathematics, No. 2.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.