References
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- Honorary Volume dedicated to Prof. Emeritus Ioannis Mittas Rought Sets, Fuzzy Sets and Join Spaces P. Corsini
- Prolegomena of Hypergroup Theory P. Corsini
- Algebra Universalis v.35 Hypergraphs and hypergroups P. Corsini
- Multi. Val. Logic v.5 On the hypergroups associated with binary relations P. Corsini
- Algebra Universalis v.43 Hypergroups and binary relations P. Corsini;V. Leoreanu
- Honorary Volume dedicated to Prof. Emeritus Ioannis Mittas Direct limits and products of join spaces associated with rough sets V. Leoreanu
- International Journal of Science and Technology Direct limits and products of join spaces associated with rough sets, Ⅱ V. Leoreanu
- Italian Journal of Pure and Applied Math. v.4 Hypergroups associated with hypergraphs V. Leoreanu;L. Leoreanu
- Rough Sets Z. Pawlak
- J. reine und angewandte Math. v.257 Geometrics and Join Spaces W. Prenowitz;J. Jantosciak
- Italian Journal of Pure and Applied Mathematics v.4 Hypergroups and join spaces determined by relations I.G. Rosenberg
- Monographs Hyperstructures and Their Representations T. Vougiouklis
- Proceedings fo the International Workshop on Rough Sets, Fuzzy Sets and Knowledge Discovery (RSKD '93) Banf, Alberta Canada 1993 Rough Sets: a special case of Interval Structures S.K.M. Wong;Nie Xiapin;W.P. Zarko(ed.)
- Proc. Eighth Conf. Uncert. in Artiff. Intelligence Interval structures, a framework for representing uncertain information S.K.M. Wong;L.S. Wang;Y.Y. Yao