Victor Chepoi, Bertrand Estellon, Yann Vaxès. Approximation Algorithms for Forests Augmentation Ensuring Two Disjoint Paths of Bounded Length. In Frank K. H. A. Dehne, Alejandro López-Ortiz, Jörg-Rüdiger Sack, editors, Algorithms and Data Structures, 9th International Workshop, WADS 2005, Waterloo, Canada, August 15-17, 2005, Proceedings. Volume 3608 of Lecture Notes in Computer Science, pages 282-293, Springer, 2005.
Abstract is missing.