The following publications are possibly variants of this publication:
- Tree 3-spanners in 2-sep chordal graphs: Characterization and algorithmsB. S. Panda, Anita Das. DAM, 158(17):1913-1935, 2010. [doi]
- On tree 3-spanners in directed path graphsB. S. Panda, Anita Das. networks, 50(3):203-210, 2007. [doi]
- Tree 3-Spanner in 2-sep Chordal Graphs: Characterization, Recognition, and ConstructionBhawani Sankar Panda, Anita Das. endm, 27:79-80, 2006. [doi]
- Characterization and Recognition of Tree 3-Spanner Admissible Directed Path Graphs of Diameter ThreeB. S. Panda, Anita Das 0001. wg 2018: 369-381 [doi]