Venkatachala, B. J. Functional equations A problem solving approach by B. J. Venkatachala - Problems from mathematical olympiads and other contests 2nd edition - India Prism Books Pvt. Ltd. 2013 - 265p. Include bibliographical references ISBN: 9788172867816 Subjects--Topical Terms: MathematicsTesting Questions Dewey Class. No.: 510 / VEN