More (Almost) Impossible Integrals, Sums, and Series: A New Collection of Fiendish Problems Surprising Solutions (Problem Books in Mathematics)

(Almost) Impossible Integrals, Sums, and Series (Problem Books in Mathematics)

Limits, Series, and Fractional Part Integrals: Problems in Mathematical Analysis (Problem Books Mathematics)

Solving Problems in Mathematical Analysis, Part I: Sets, Functions, Limits, Derivatives, Integrals,...