Volume 18, Number 1-2, January - February 1998
, Alain Appriou
: Theory of evidence and non-exhaustive frames of discernment: Plausibilities correction methods.
Ronald R. Yager
: Fusion of ordinal information using weighted median aggregation.
Volume 18, Number 3-4, April - May 1998
C. S. Hoo
: Some fuzzy concepts of BCI, BCK and MV-algebras.
: Open theories, consistency and related results in fuzzy logic.