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Lakshmikantham, V.; Vatsala, A. S. Basic theory of fuzzy difference equations. (English) Zbl 1023.39008 J. Difference Equ. Appl. 8, No. 11, 957-968 (2002). Reviewer: Xianhua Tang (Changsha) MSC: 39A11 26E50 PDFBibTeX XMLCite \textit{V. Lakshmikantham} and \textit{A. S. Vatsala}, J. Difference Equ. Appl. 8, No. 11, 957--968 (2002; Zbl 1023.39008) Full Text: DOI