Ann Becker, Dan Geiger. Approximation Algorithms for the Loop Cutset Problem. In Ramon López de Mántaras, David Poole, editors, UAI 94: Proceedings of the Tenth Annual Conference on Uncertainty in Artificial Intelligence, July 29-31, 1994, Seattle, Washington, USA. pages 60-68, Morgan Kaufmann, 1994. [doi]
Abstract is missing.