Jochen Könemann, Goran Konjevod, Ojas Parekh, Amitabh Sinha. Improved approximations for tour and tree covers. In Klaus Jansen, Samir Khuller, editors, Approximation Algorithms for Combinatorial Optimization, Third International Workshop, APPROX 2000, Saarbrücken, Germany, September 5-8, 2000, Proceedings. Volume 1913 of Lecture Notes in Computer Science, pages 184-193, Springer, 2000. [doi]
Abstract is missing.