ジョージ・ポリア
Pólya, G.; Szegő, G. (2012). Problems and Theorems in Analysis I: Series. Integral Calculus. Theory of Functions. ISBN 978-3-540-63640-3. https://books.google.com/books?id=_YhqCQAAQBAJ
Pólya, G.; Szegő, G. (2012). Problems and Theorems in Analysis II: Theory of Functions. Zeros. Polynomials. Determinants. Number Theory. Geometry. ISBN 978-3-540-63686-1. https://books.google.com/books?id=AVbrKFKGtPkC