Rassias, T. M. Functional Equations and Inequalities. Springer International Publishing.
Citazione stile Chigago Style (17a edizione)Rassias, Themistocles M. Functional Equations and Inequalities. Cham: Springer International Publishing.
Citatione MLA (8a ed.)Rassias, Themistocles M. Functional Equations and Inequalities. Springer International Publishing.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.