1. A modified cascade algorithm for shortest paths;Bilde;Metra,1969
2. Theory of Matrix Algorithms;Brucker,1974
3. All shortest routes in a graph;Dantzig,1967
4. The cascade algorithm for finding all shortest distances in a directed graph;Farbey;Management Sci.,1967
5. Algorithm 97: shortest path;Floyd;Comm. Assoc. Comput. Mach.,1962