... 2009, Article I D 395693, p. 20, 2009.Hindawi Publishing CorporationJournal of Inequalities and ApplicationsVolume 2011, Article ID 194394, 23 pagesdoi:10.1155/2011/194394 Review Article Nonlinear ... a powerful hand set for modeling uncertainty and vagueness in variousproblems arising in the field of science and engineering. It has also very useful applications in various fields, for example, ... of the linear functional equation,” Proceedings of the National Academy of Sciences of the United States of America, vol. 27, pp. 222–224, 1941.5 T. Aoki, “On the stability of the linear transformation...