Chaudhuri, Shiva Algorithms and Complexity, MPI for Informatics, Max Planck Society;
Zaroliagis, Christos Algorithms and Complexity, MPI for Informatics, Max Planck Society;
https://rdcu.be/dtUai (Publisher version)
Chaudhuri, S., & Zaroliagis, C. (1995). Optimal Parallel Shortest Paths in Small Treewidth Digraphs. In P. Spirakis (Ed.), Algorithms - ESA '95 (pp. 31-45). Berlin: Springer.