A useful identity relating the infinite sum of two Bessel functions to their infinite integral was discovered in Dominici et al. (Dominici et al. 2012 Proc. R. Soc. A 468, 2667–2681). Here, we extend ...
The generalization of Shanks' $e$-transformation to double series is discussed and a class of nonlinear transformations, the $\lbrack A/S \rbrack_R$ transformations ...