Marc Gyssens, Dan Suciu, Dirk Van Gucht. The Restricted and Bounded Fixpoint Closures of the Nested Relational Algebra are Equivalent. In Paolo Atzeni, Val Tannen, editors, Database Programming Languages (DBPL-5), Proceedings of the Fifth International Workshop on Database Programming Languages, Gubbio, Umbria, Italy, 6-8 September 1995. Electronic Workshops in Computing, pages 5, Springer, 1995. [doi]
Abstract is missing.