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# Index of Functions and Constants

This index shows the occurrence of functions and constants used in the expressions within the text The numbers refer to pages on which the function or constant appears.

Symbols

$Gn(m)$  See also Stirling numbers, second kind
$ℑn(m)$  See also Bessel functions, 3
$ߜ$  xlii , 774 , 1062-1062 , 1067-1069
$δ(x)$  See also delta function
$δij$  See also Kronecker delta