Joachim Biskup, Hans Hermann Brüggemann, L. Schnetgöke, M. Kramer. One Flavor Assumption and Gamma-Acyclicity for Universal Relation Views. In Proceedings of the Fifth ACM SIGACT-SIGMOD Symposium on Principles of Database Systems, March 24-26, 1986, Cambridge, Massachusetts. pages 148-159, ACM, 1986. [doi]
Abstract is missing.