ebrary, Inc, & Rassias, J. M. (2010). Functional equations, difference inequalities, and Ulam stability notions (F.U.N.). Nova Science Publishers.
Chicago Style (17th ed.) Citationebrary, Inc, and John Michael Rassias. Functional Equations, Difference Inequalities, and Ulam Stability Notions (F.U.N.). New York: Nova Science Publishers, 2010.
MLA (9th ed.) Citationebrary, Inc, and John Michael Rassias. Functional Equations, Difference Inequalities, and Ulam Stability Notions (F.U.N.). Nova Science Publishers, 2010.
Warning: These citations may not always be 100% accurate.