Sharif University of Technology Scientia Iranica 1026-3098 2 4 1996 01 01 Flexible Database Querying and the Division of Fuzzy Relations 3062 EN P. Bosc Department of Electrical Engineering,Berakly L. Lietard Department of Electrical Engineering,Berakly O. Pivert Department of Electrical Engineering,Berakly Journal Article 2009 07 22 https://scientiairanica.sharif.edu/article_3062_fe01419586ebd7002532bf92a1469794.pdf