David Levin, On Accelerating the Convergence of Infinite Double Series and Integrals, Mathematics of Computation, Vol. 35, No. 152 (Oct., 1980), pp. 1331-1345 ...

Remove the right terms from a divergent infinite series and it may converge.

M. J. Norris, Some Necessary Conditions for Convergence of Infinite Series and Improper Integrals, The American Mathematical Monthly, Vol. 60, No. 2 (Feb., 1953), pp ...

Description: Continuation of differentiation, the mean value theorem and applications, the inverse and implicit function theorems, the Riemann integral, the fundamental theorem of calculus, point-wise ...