darkhaaste maghale

Salam,

In maghalaat ro man ehtiaaj daram:
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2-R.R. Yager, A characterization of extension principle, Fuzzy Sets and Systems 18 (1986), 205–217.
3- M.J. Wierman, Total extension of set functions and relations, Proc. Annual MeetingNAFIPS, NewYork, 1997, pp. 292–294.
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5-H.T. Nguyen, A note on the extension principle for the fuzzy sets, J. Math. Anal. Applications 64 (1978), 369–380.
6-R. Lowen, Fuzzy topological spaces and fuzzy compactness, J. Math. Anal. Applications 56 (1976), 621–633.
7-H. Prade, Compatibilite, qualification, modification, niveau de precision, Busefal, No. 4 (automne 1980) 71-78.
8- E. Sanchez, Resolution of composite fuzzy relation equations, Inform. Control 30 (1976) 38-48.
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