Andreas Brandstädt, Victor Chepoi, Feodor F. Dragan. Distance Approximating Trees for Chordal and Dually Chordal Graphs (Extended Abstract). In Rainer E. Burkard, Gerhard J. Woeginger, editors, Algorithms - ESA 97, 5th Annual European Symposium, Graz, Austria, September 15-17, 1997, Proceedings. Volume 1284 of Lecture Notes in Computer Science, pages 78-91, Springer, 1997.
Abstract is missing.