Anita Das, B. S. Panda, Rajendra P. Lal. A linear time algorithm for constructing tree 3-spanner in simple chordal bipartite graphs. In Saraju P. Mohanty, Anirudha Sahoo, editors, 9th International Conference in Information Technology, ICIT 2006, Bhubaneswar, Orissa, India, 18-21 December 2006. pages 301-304, IEEE Computer Society, 2006. [doi]
Abstract is missing.