Filev, Dimiter; Angelov, Plamen Optimal control in a fuzzy environment. (English) Zbl 0825.90781 Yugosl. J. Oper. Res. 2, No. 1, 33-43 (1992). Cited in 1 Document MSC: 90C70 Fuzzy and other nonstochastic uncertainty mathematical programming PDFBibTeX XMLCite \textit{D. Filev} and \textit{P. Angelov}, Yugosl. J. Oper. Res. 2, No. 1, 33--43 (1992; Zbl 0825.90781)