APA (7th ed.) Citation

Kuczma, M., & Gilányi, A. (2009). An introduction to the theory of functional equations and inequalities: Cauchy's equation and Jensen's inequality (2nd ed.). Birkhäuser. https://doi.org/10.1007/978-3-7643-8749-5

Chicago Style (17th ed.) Citation

Kuczma, Marek, and Attila Gilányi. An Introduction to the Theory of Functional Equations and Inequalities: Cauchy's Equation and Jensen's Inequality. 2nd ed. Basel ; Boston: Birkhäuser, 2009. https://doi.org/10.1007/978-3-7643-8749-5.

MLA (9th ed.) Citation

Kuczma, Marek, and Attila Gilányi. An Introduction to the Theory of Functional Equations and Inequalities: Cauchy's Equation and Jensen's Inequality. 2nd ed. Birkhäuser, 2009. https://doi.org/10.1007/978-3-7643-8749-5.