Kannappan, Pl. Functional equations and inequalities with applications/ by Pl. Kannappan. - London; New York: Springer, 2009. - xxiii, 810 p. 24 cm. - Springer monographs in mathematics . - Springer monographs in mathematics. . Includes bibliographical references and indexes. ISBN: 9780387894911 (hbk.) 0387894918 (hbk.) Nat. Bib. No.: GBA962971 bnb Subjects--Topical Terms: Functional equations.Inequalities (Mathematics) Dewey Class. No.: 515.25