Abstract
For the derivation of the theorems in this chapter it is convenient to introduce the integrals of a function f(x) in n-space over a general ellipsoid .
$$F(x) = \sum\limits_{i,k = 1}^n {{a_{ik}}} {X_i}{X_k} = {r^2}$$
(5.1)
Keywords
Wave Equation Plane Wave Order Differential Equation Chapter Versus Spherical Average
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Copyright information
© Springer Science+Business Media New York 1981